Update upstream source from tag 'upstream/1.8.5'

Update to upstream version '1.8.5' with Debian dir 8a97bace31de0bf6fa044da123d7fa2e84e9f6aa

Update upstream source from tag 'upstream/1.8.5'
Update to upstream version '1.8.5' with Debian dir 8a97bace31de0bf6fa044da123d7fa2e84e9f6aa
712749e7 · Arturo Borrero Gonzalez · 214468ea · eb1d7c5f · 712749e7 · 712749e7
Commit 712749e7 authored Jun 04, 2020 by Arturo Borrero Gonzalez
--- a/.gitignore
+++ b/.gitignore
@@ -23,4 +23,5 @@ Makefile.in
 /iptables/xtables-multi
 /iptables/xtables-compat-multi
+# vim/nano swap file
 *.swp
--- a/Makefile.in
+++ b/Makefile.in
-# Makefile.in generated by automake 1.15 from Makefile.am.
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@
-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -172,7 +172,7 @@ am__recursive_targets = \
  $(RECURSIVE_CLEAN_TARGETS) \
  $(am__extra_recursive_targets)
 AM_RECURSIVE_TARGETS = $(am__recursive_targets:-recursive=) TAGS CTAGS \
-	cscope distdir dist dist-all distcheck
+	cscope distdir distdir-am dist dist-all distcheck
 am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) \
 	$(LISP)config.h.in
 # Read a list of newline-separated strings from the standard input,
@@ -427,8 +427,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	    echo ' $(SHELL) ./config.status'; \
 	    $(SHELL) ./config.status;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles);; \
 	esac;
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@@ -593,7 +593,10 @@ distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 	-rm -f cscope.out cscope.in.out cscope.po.out cscope.files
-distdir: $(DISTFILES)
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+distdir-am: $(DISTFILES)
 	$(am__remove_distdir)
 	test -d "$(distdir)" || mkdir "$(distdir)"
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
@@ -658,7 +661,7 @@ distdir: $(DISTFILES)
 	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
 	|| chmod -R a+r "$(distdir)"
 dist-gzip: distdir
-	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
+	tardir=$(distdir) && $(am__tar) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).tar.gz
 	$(am__post_remove_distdir)
 dist-bzip2: distdir
@@ -684,7 +687,7 @@ dist-shar: distdir
 	@echo WARNING: "Support for shar distribution archives is" \
 	               "deprecated." >&2
 	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
-	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
+	shar $(distdir) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).shar.gz
 	$(am__post_remove_distdir)
 dist-zip: distdir
@@ -702,7 +705,7 @@ dist dist-all:
 distcheck: dist
 	case '$(DIST_ARCHIVES)' in \
 	*.tar.gz*) \
-	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
+	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
 	*.tar.lz*) \
@@ -712,7 +715,7 @@ distcheck: dist
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
-	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).shar.gz | unshar ;;\
+	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	esac

--- a/aclocal.m4
+++ b/aclocal.m4
-# generated automatically by aclocal 1.15 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.1 -*- Autoconf -*-
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -296,7 +296,7 @@ AS_VAR_COPY([$1], [pkg_cv_][$1])
 AS_VAR_IF([$1], [""], [$5], [$4])dnl
 ])dnl PKG_CHECK_VAR
-# Copyright (C) 2002-2014 Free Software Foundation, Inc.
+# Copyright (C) 2002-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -308,10 +308,10 @@ AS_VAR_IF([$1], [""], [$5], [$4])dnl
 # generated from the m4 files accompanying Automake X.Y.
 # (This private macro should not be called outside this file.)
 AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.15'
+[am__api_version='1.16'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.15], [],
+m4_if([$1], [1.16.1], [],
      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
@@ -327,12 +327,12 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.15])dnl
+[AM_AUTOMAKE_VERSION([1.16.1])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
-# Copyright (C) 2011-2014 Free Software Foundation, Inc.
+# Copyright (C) 2011-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -394,7 +394,7 @@ AC_SUBST([AR])dnl
 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -446,7 +446,7 @@ am_aux_dir=`cd "$ac_aux_dir" && pwd`
 # AM_CONDITIONAL                                            -*- Autoconf -*-
-# Copyright (C) 1997-2014 Free Software Foundation, Inc.
+# Copyright (C) 1997-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -477,7 +477,7 @@ AC_CONFIG_COMMANDS_PRE(
 Usually this means the macro was only invoked conditionally.]])
 fi])])
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -668,13 +668,12 @@ _AM_SUBST_NOTMAKE([am__nodep])dnl
 # Generate code to set up dependency tracking.              -*- Autoconf -*-
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 # ------------------------------
 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
@@ -682,49 +681,41 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  # Older Autoconf quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
-  case $CONFIG_FILES in
+  # TODO: see whether this extra hack can be removed once we start
-  *\'*) eval set x "$CONFIG_FILES" ;;
+  # requiring Autoconf 2.70 or later.
-  *)   set x $CONFIG_FILES ;;
+  AS_CASE([$CONFIG_FILES],
-  esac
+          [*\'*], [eval set x "$CONFIG_FILES"],
+          [*], [set x $CONFIG_FILES])
  shift
-  for mf
+  # Used to flag and report bootstrapping failures.
+  am_rc=0
+  for am_mf
  do
    # Strip MF so we end up with the name of the file.
-    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
-    # Check whether this is an Automake generated Makefile or not.
+    # Check whether this is an Automake generated Makefile which includes
-    # We used to match only the files named 'Makefile.in', but
+    # dependency-tracking related rules and includes.
-    # some people rename them; so instead we look at the file content.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
-    # Grep'ing the first line is not enough: some people post-process
-    # each Makefile.in and add a new line on top of each file to say so.
-    # Grep'ing the whole file is not good either: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
-    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
-      dirpart=`AS_DIRNAME("$mf")`
+      || continue
-    else
+    am_dirpart=`AS_DIRNAME(["$am_mf"])`
-      continue
+    am_filepart=`AS_BASENAME(["$am_mf"])`
-    fi
+    AM_RUN_LOG([cd "$am_dirpart" \
-    # Extract the definition of DEPDIR, am__include, and am__quote
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
-    # from the Makefile without running 'make'.
+        | $MAKE -f - am--depfiles]) || am_rc=$?
-    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
-    test -z "$DEPDIR" && continue
-    am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "$am__include" && continue
-    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
-    # Find all dependency output files, they are included files with
-    # $(DEPDIR) in their names.  We invoke sed twice because it is the
-    # simplest approach to changing $(DEPDIR) to its actual value in the
-    # expansion.
-    for file in `sed -n "
-      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
-	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
-      # Make sure the directory exists.
-      test -f "$dirpart/$file" && continue
-      fdir=`AS_DIRNAME(["$file"])`
-      AS_MKDIR_P([$dirpart/$fdir])
-      # echo "creating $dirpart/$file"
-      echo '# dummy' > "$dirpart/$file"
-    done
  done
+  if test $am_rc -ne 0; then
+    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
+    for automatic dependency tracking.  Try re-running configure with the
+    '--disable-dependency-tracking' option to at least be able to build
+    the package (albeit without support for automatic dependency tracking).])
+  fi
+  AS_UNSET([am_dirpart])
+  AS_UNSET([am_filepart])
+  AS_UNSET([am_mf])
+  AS_UNSET([am_rc])
+  rm -f conftest-deps.mk
 }
 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
@@ -733,18 +724,17 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
 # -----------------------------
 # This macro should only be invoked once -- use via AC_REQUIRE.
 #
-# This code is only required when automatic dependency tracking
+# This code is only required when automatic dependency tracking is enabled.
-# is enabled.  FIXME.  This creates each '.P' file that we will
+# This creates each '.Po' and '.Plo' makefile fragment that we'll need in
-# need in order to bootstrap the dependency handling code.
+# order to bootstrap the dependency handling code.
 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 [AC_CONFIG_COMMANDS([depfiles],
     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
-     [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
+     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
-])
 # Do all the work for Automake.                             -*- Autoconf -*-
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -831,8 +821,8 @@ AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
 # For better backward compatibility.  To be removed once Automake 1.9.x
 # dies out for good.  For more background, see:
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
 # We need awk for the "check" target (and possibly the TAP driver).  The
 # system "awk" is bad on some platforms.
@@ -899,7 +889,7 @@ END
 Aborting the configuration process, to ensure you take notice of the issue.
 You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <http://www.gnu.org/software/coreutils/>.
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
 If you want to complete the configuration process using your problematic
 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
@@ -941,7 +931,7 @@ for _am_header in $config_headers :; do
 done
 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -962,7 +952,7 @@ if test x"${install_sh+set}" != xset; then
 fi
 AC_SUBST([install_sh])])
-# Copyright (C) 2003-2014 Free Software Foundation, Inc.
+# Copyright (C) 2003-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -983,7 +973,7 @@ AC_SUBST([am__leading_dot])])
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -991,49 +981,42 @@ AC_SUBST([am__leading_dot])])
 # AM_MAKE_INCLUDE()
 # -----------------
-# Check to see how make treats includes.
+# Check whether make has an 'include' directive that can support all
+# the idioms we need for our automatic dependency tracking code.
 AC_DEFUN([AM_MAKE_INCLUDE],
-[am_make=${MAKE-make}
+[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
-cat > confinc << 'END'
+cat > confinc.mk << 'END'
 am__doit:
-	@echo this is the am__doit target
+	@echo this is the am__doit target >confinc.out
 .PHONY: am__doit
 END
-# If we don't find an include directive, just comment out the code.
-AC_MSG_CHECKING([for style of include used by $am_make])
 am__include="#"
 am__quote=
-_am_result=none
+# BSD make does it like this.
-# First try GNU make style include.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
-echo "include confinc" > confmf
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
-# Ignore all kinds of additional output from 'make'.
+echo 'include confinc.mk # ignored' > confmf.GNU
-case `$am_make -s -f confmf 2> /dev/null` in #(
+_am_result=no
-*the\ am__doit\ target*)
+for s in GNU BSD; do
-  am__include=include
+  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
-  am__quote=
+  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
-  _am_result=GNU
+      ['0:this is the am__doit target'],
-  ;;
+      [AS_CASE([$s],
-esac
+          [BSD], [am__include='.include' am__quote='"'],
-# Now try BSD make style include.
+          [am__include='include' am__quote=''])])
-if test "$am__include" = "#"; then
+  if test "$am__include" != "#"; then
-   echo '.include "confinc"' > confmf
+    _am_result="yes ($s style)"
-   case `$am_make -s -f confmf 2> /dev/null` in #(
+    break
-   *the\ am__doit\ target*)
+  fi
-     am__include=.include
+done
-     am__quote="\""
+rm -f confinc.* confmf.*
-     _am_result=BSD
+AC_MSG_RESULT([${_am_result}])
-     ;;
+AC_SUBST([am__include])])
-   esac
+AC_SUBST([am__quote])])
-fi
-AC_SUBST([am__include])
-AC_SUBST([am__quote])
-AC_MSG_RESULT([$_am_result])
-rm -f confinc confmf
-])
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
-# Copyright (C) 1997-2014 Free Software Foundation, Inc.
+# Copyright (C) 1997-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -1072,7 +1055,7 @@ fi
 # Helper functions for option handling.                     -*- Autoconf -*-
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -1101,7 +1084,7 @@ AC_DEFUN([_AM_SET_OPTIONS],
 AC_DEFUN([_AM_IF_OPTION],
 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -1148,7 +1131,7 @@ AC_LANG_POP([C])])
 # For backward compatibility.
 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -1167,7 +1150,7 @@ AC_DEFUN([AM_RUN_LOG],
 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -1248,7 +1231,7 @@ AC_CONFIG_COMMANDS_PRE(
 rm -f conftest.file
 ])
-# Copyright (C) 2009-2014 Free Software Foundation, Inc.
+# Copyright (C) 2009-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -1308,7 +1291,7 @@ AC_SUBST([AM_BACKSLASH])dnl
 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
 ])
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -1336,7 +1319,7 @@ fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
-# Copyright (C) 2006-2014 Free Software Foundation, Inc.
+# Copyright (C) 2006-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -1355,7 +1338,7 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 # Check how to create a tarball.                            -*- Autoconf -*-
-# Copyright (C) 2004-2014 Free Software Foundation, Inc.
+# Copyright (C) 2004-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,

--- a/build-aux/ar-lib
+++ b/build-aux/ar-lib
@@ -4,7 +4,7 @@
 me=ar-lib
 scriptversion=2012-03-01.08; # UTC
-# Copyright (C) 2010-2014 Free Software Foundation, Inc.
+# Copyright (C) 2010-2018 Free Software Foundation, Inc.
 # Written by Peter Rosin <peda@lysator.liu.se>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -18,7 +18,7 @@ scriptversion=2012-03-01.08; # UTC
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a

--- a/build-aux/compile
+++ b/build-aux/compile
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.
-scriptversion=2012-10-14.11; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -17,7 +17,7 @@ scriptversion=2012-10-14.11; # UTC
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@@ -255,7 +255,8 @@ EOF
    echo "compile $scriptversion"
    exit $?
    ;;
-  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
    func_cl_wrapper "$@"      # Doesn't return...
    ;;
 esac
@@ -339,9 +340,9 @@ exit $ret
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/build-aux/config.guess
+++ b/build-aux/config.guess
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2016 Free Software Foundation, Inc.
+#   Copyright 1992-2018 Free Software Foundation, Inc.
-timestamp='2016-10-02'
+timestamp='2018-02-24'
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -15,7 +15,7 @@ timestamp='2016-10-02'
 # General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# along with this program; if not, see <https://www.gnu.org/licenses/>.
 #
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@@ -27,7 +27,7 @@ timestamp='2016-10-02'
 # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
 #
 # You can get the latest version of this script from:
-# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
 #
 # Please send patches to <config-patches@gnu.org>.
@@ -39,7 +39,7 @@ Usage: $0 [OPTION]
 Output the configuration name of the system \`$me' is run on.
-Operation modes:
+Options:
  -h, --help         print this help, then exit
  -t, --time-stamp   print date of last modification, then exit
  -v, --version      print version number, then exit
@@ -50,7 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 Originally written by Per Bothner.
-Copyright 1992-2016 Free Software Foundation, Inc.
+Copyright 1992-2018 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -107,9 +107,9 @@ trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
 dummy=$tmp/dummy ;
 tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
 case $CC_FOR_BUILD,$HOST_CC,$CC in
- ,,)    echo "int x;" > $dummy.c ;
+ ,,)    echo "int x;" > "$dummy.c" ;
 	for c in cc gcc c89 c99 ; do
-	  if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+	  if ($c -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
 	     CC_FOR_BUILD="$c"; break ;
 	  fi ;
 	done ;
@@ -132,14 +132,14 @@ UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
 UNAME_SYSTEM=`(uname -s) 2>/dev/null`  || UNAME_SYSTEM=unknown
 UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
-case "${UNAME_SYSTEM}" in
+case "$UNAME_SYSTEM" in
 Linux|GNU|GNU/*)
 	# If the system lacks a compiler, then just pick glibc.
 	# We could probably try harder.
 	LIBC=gnu
-	eval $set_cc_for_build
+	eval "$set_cc_for_build"
-	cat <<-EOF > $dummy.c
+	cat <<-EOF > "$dummy.c"
 	#include <features.h>
 	#if defined(__UCLIBC__)
 	LIBC=uclibc
@@ -149,13 +149,20 @@ Linux|GNU|GNU/*)
 	LIBC=gnu
 	#endif
 	EOF
-	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`
+	eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`"
+	# If ldd exists, use it to detect musl libc.
+	if command -v ldd >/dev/null && \
+		ldd --version 2>&1 | grep -q ^musl
+	then
+	    LIBC=musl
+	fi
 	;;
 esac
 # Note: order is significant - the case branches are not exclusive.
-case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
    *:NetBSD:*:*)
 	# NetBSD (nbsd) targets should (where applicable) match one or
 	# more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*,
@@ -169,30 +176,30 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	# portion of the name.  We always set it to "unknown".
 	sysctl="sysctl -n hw.machine_arch"
 	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
-	    /sbin/$sysctl 2>/dev/null || \
+	    "/sbin/$sysctl" 2>/dev/null || \
-	    /usr/sbin/$sysctl 2>/dev/null || \
+	    "/usr/sbin/$sysctl" 2>/dev/null || \
 	    echo unknown)`
-	case "${UNAME_MACHINE_ARCH}" in
+	case "$UNAME_MACHINE_ARCH" in
 	    armeb) machine=armeb-unknown ;;
 	    arm*) machine=arm-unknown ;;
 	    sh3el) machine=shl-unknown ;;
 	    sh3eb) machine=sh-unknown ;;
 	    sh5el) machine=sh5le-unknown ;;
 	    earmv*)
-		arch=`echo ${UNAME_MACHINE_ARCH} | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
+		arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
-		endian=`echo ${UNAME_MACHINE_ARCH} | sed -ne 's,^.*\(eb\)$,\1,p'`
+		endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'`
-		machine=${arch}${endian}-unknown
+		machine="${arch}${endian}"-unknown
 		;;
-	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+	    *) machine="$UNAME_MACHINE_ARCH"-unknown ;;
 	esac
 	# The Operating System including object format, if it has switched
 	# to ELF recently (or will in the future) and ABI.
-	case "${UNAME_MACHINE_ARCH}" in
+	case "$UNAME_MACHINE_ARCH" in
 	    earm*)
 		os=netbsdelf
 		;;
 	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
-		eval $set_cc_for_build
+		eval "$set_cc_for_build"
 		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
 			| grep -q __ELF__
 		then
@@ -208,10 +215,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 		;;
 	esac
 	# Determine ABI tags.
-	case "${UNAME_MACHINE_ARCH}" in
+	case "$UNAME_MACHINE_ARCH" in
 	    earm*)
 		expr='s/^earmv[0-9]/-eabi/;s/eb$//'
-		abi=`echo ${UNAME_MACHINE_ARCH} | sed -e "$expr"`
+		abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"`
 		;;
 	esac
 	# The OS release
@@ -219,46 +226,55 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	# thus, need a distinct triplet. However, they do not need
 	# kernel version information, so it can be replaced with a
 	# suitable tag, in the style of linux-gnu.
-	case "${UNAME_VERSION}" in
+	case "$UNAME_VERSION" in
 	    Debian*)
 		release='-gnu'
 		;;
 	    *)
-		release=`echo ${UNAME_RELEASE} | sed -e 's/[-_].*//' | cut -d. -f1,2`
+		release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2`
 		;;
 	esac
 	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
 	# contains redundant information, the shorter form:
 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-	echo "${machine}-${os}${release}${abi}"
+	echo "$machine-${os}${release}${abi}"
 	exit ;;
    *:Bitrig:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
-	echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE}
+	echo "$UNAME_MACHINE_ARCH"-unknown-bitrig"$UNAME_RELEASE"
 	exit ;;
    *:OpenBSD:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
-	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
+	echo "$UNAME_MACHINE_ARCH"-unknown-openbsd"$UNAME_RELEASE"
 	exit ;;
    *:LibertyBSD:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
-	echo ${UNAME_MACHINE_ARCH}-unknown-libertybsd${UNAME_RELEASE}
+	echo "$UNAME_MACHINE_ARCH"-unknown-libertybsd"$UNAME_RELEASE"
+	exit ;;
+    *:MidnightBSD:*:*)
+	echo "$UNAME_MACHINE"-unknown-midnightbsd"$UNAME_RELEASE"
 	exit ;;
    *:ekkoBSD:*:*)
-	echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
+	echo "$UNAME_MACHINE"-unknown-ekkobsd"$UNAME_RELEASE"
 	exit ;;
    *:SolidBSD:*:*)
-	echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE}
+	echo "$UNAME_MACHINE"-unknown-solidbsd"$UNAME_RELEASE"
 	exit ;;
    macppc:MirBSD:*:*)
-	echo powerpc-unknown-mirbsd${UNAME_RELEASE}
+	echo powerpc-unknown-mirbsd"$UNAME_RELEASE"
 	exit ;;
    *:MirBSD:*:*)
-	echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
+	echo "$UNAME_MACHINE"-unknown-mirbsd"$UNAME_RELEASE"
 	exit ;;
    *:Sortix:*:*)
-	echo ${UNAME_MACHINE}-unknown-sortix
+	echo "$UNAME_MACHINE"-unknown-sortix
 	exit ;;
+    *:Redox:*:*)
+	echo "$UNAME_MACHINE"-unknown-redox
+	exit ;;
+    mips:OSF1:*.*)
+        echo mips-dec-osf1
+        exit ;;
    alpha:OSF1:*:*)
 	case $UNAME_RELEASE in
 	*4.0)
@@ -310,28 +326,19 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	# A Tn.n version is a released field test version.
 	# A Xn.n version is an unreleased experimental baselevel.
 	# 1.2 uses "1.2" for uname -r.
-	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+	echo "$UNAME_MACHINE"-dec-osf"`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`"
 	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
 	exitcode=$?
 	trap '' 0
 	exit $exitcode ;;
-    Alpha\ *:Windows_NT*:*)
-	# How do we know it's Interix rather than the generic POSIX subsystem?
-	# Should we change UNAME_MACHINE based on the output of uname instead
-	# of the specific Alpha model?
-	echo alpha-pc-interix
-	exit ;;
-    21064:Windows_NT:50:3)
-	echo alpha-dec-winnt3.5
-	exit ;;
    Amiga*:UNIX_System_V:4.0:*)
 	echo m68k-unknown-sysv4
 	exit ;;
    *:[Aa]miga[Oo][Ss]:*:*)
-	echo ${UNAME_MACHINE}-unknown-amigaos
+	echo "$UNAME_MACHINE"-unknown-amigaos
 	exit ;;
    *:[Mm]orph[Oo][Ss]:*:*)
-	echo ${UNAME_MACHINE}-unknown-morphos
+	echo "$UNAME_MACHINE"-unknown-morphos
 	exit ;;
    *:OS/390:*:*)
 	echo i370-ibm-openedition
@@ -343,7 +350,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	echo powerpc-ibm-os400
 	exit ;;
    arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
-	echo arm-acorn-riscix${UNAME_RELEASE}
+	echo arm-acorn-riscix"$UNAME_RELEASE"
 	exit ;;
    arm*:riscos:*:*|arm*:RISCOS:*:*)
 	echo arm-unknown-riscos
@@ -370,19 +377,19 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	    sparc) echo sparc-icl-nx7; exit ;;
 	esac ;;
    s390x:SunOS:*:*)
-	echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	echo "$UNAME_MACHINE"-ibm-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
 	exit ;;
    sun4H:SunOS:5.*:*)
-	echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	echo sparc-hal-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
 	exit ;;
    sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
-	echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	echo sparc-sun-solaris2"`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
 	exit ;;
    i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*)
-	echo i386-pc-auroraux${UNAME_RELEASE}
+	echo i386-pc-auroraux"$UNAME_RELEASE"
 	exit ;;
    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
-	eval $set_cc_for_build
+	eval "$set_cc_for_build"
 	SUN_ARCH=i386
 	# If there is a compiler, see if it is configured for 64-bit objects.
 	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
@@ -395,13 +402,13 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 		SUN_ARCH=x86_64
 	    fi
 	fi
-	echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	echo "$SUN_ARCH"-pc-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
 	exit ;;
    sun4*:SunOS:6*:*)
 	# According to config.sub, this is the proper way to canonicalize
 	# SunOS6.  Hard to guess exactly what SunOS6 will be like, but
 	# it's likely to be more like Solaris than SunOS4.
-	echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	echo sparc-sun-solaris3"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
 	exit ;;
    sun4*:SunOS:*:*)
 	case "`/usr/bin/arch -k`" in
@@ -410,25 +417,25 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 		;;
 	esac
 	# Japanese Language versions have a version number like `4.1.3-JL'.
-	echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
+	echo sparc-sun-sunos"`echo "$UNAME_RELEASE"|sed -e 's/-/_/'`"
 	exit ;;
    sun3*:SunOS:*:*)
-	echo m68k-sun-sunos${UNAME_RELEASE}
+	echo m68k-sun-sunos"$UNAME_RELEASE"
 	exit ;;
    sun*:*:4.2BSD:*)
 	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
-	test "x${UNAME_RELEASE}" = x && UNAME_RELEASE=3
+	test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3
 	case "`/bin/arch`" in
 	    sun3)
-		echo m68k-sun-sunos${UNAME_RELEASE}
+		echo m68k-sun-sunos"$UNAME_RELEASE"
 		;;
 	    sun4)
-		echo sparc-sun-sunos${UNAME_RELEASE}
+		echo sparc-sun-sunos"$UNAME_RELEASE"
 		;;
 	esac
 	exit ;;
    aushp:SunOS:*:*)
-	echo sparc-auspex-sunos${UNAME_RELEASE}
+	echo sparc-auspex-sunos"$UNAME_RELEASE"
 	exit ;;
    # The situation for MiNT is a little confusing.  The machine name
    # can be virtually everything (everything which is not
@@ -439,44 +446,44 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
    # MiNT.  But MiNT is downward compatible to TOS, so this should
    # be no problem.
    atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
-	echo m68k-atari-mint${UNAME_RELEASE}
+	echo m68k-atari-mint"$UNAME_RELEASE"
 	exit ;;
    atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
-	echo m68k-atari-mint${UNAME_RELEASE}
+	echo m68k-atari-mint"$UNAME_RELEASE"
 	exit ;;
    *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
-	echo m68k-atari-mint${UNAME_RELEASE}
+	echo m68k-atari-mint"$UNAME_RELEASE"
 	exit ;;
    milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
-	echo m68k-milan-mint${UNAME_RELEASE}
+	echo m68k-milan-mint"$UNAME_RELEASE"
 	exit ;;
    hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
-	echo m68k-hades-mint${UNAME_RELEASE}
+	echo m68k-hades-mint"$UNAME_RELEASE"
 	exit ;;
    *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
-	echo m68k-unknown-mint${UNAME_RELEASE}
+	echo m68k-unknown-mint"$UNAME_RELEASE"
 	exit ;;
    m68k:machten:*:*)
-	echo m68k-apple-machten${UNAME_RELEASE}
+	echo m68k-apple-machten"$UNAME_RELEASE"
 	exit ;;
    powerpc:machten:*:*)
-	echo powerpc-apple-machten${UNAME_RELEASE}
+	echo powerpc-apple-machten"$UNAME_RELEASE"
 	exit ;;
    RISC*:Mach:*:*)
 	echo mips-dec-mach_bsd4.3
 	exit ;;
    RISC*:ULTRIX:*:*)
-	echo mips-dec-ultrix${UNAME_RELEASE}
+	echo mips-dec-ultrix"$UNAME_RELEASE"
 	exit ;;
    VAX*:ULTRIX*:*:*)
-	echo vax-dec-ultrix${UNAME_RELEASE}
+	echo vax-dec-ultrix"$UNAME_RELEASE"
 	exit ;;
    2020:CLIX:*:* | 2430:CLIX:*:*)
-	echo clipper-intergraph-clix${UNAME_RELEASE}
+	echo clipper-intergraph-clix"$UNAME_RELEASE"
 	exit ;;
    mips:*:*:UMIPS | mips:*:*:RISCos)
-	eval $set_cc_for_build
+	eval "$set_cc_for_build"
-	sed 's/^	//' << EOF >$dummy.c
+	sed 's/^	//' << EOF > "$dummy.c"
 #ifdef __cplusplus
 #include <stdio.h>  /* for printf() prototype */
 	int main (int argc, char *argv[]) {
@@ -485,23 +492,23 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 #endif
 	#if defined (host_mips) && defined (MIPSEB)
 	#if defined (SYSTYPE_SYSV)
-	  printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+	  printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
 	#endif
 	#if defined (SYSTYPE_SVR4)
-	  printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+	  printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);
 	#endif
 	#if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
-	  printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+	  printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0);
 	#endif
 	#endif
 	  exit (-1);
 	}
 EOF
-	$CC_FOR_BUILD -o $dummy $dummy.c &&
+	$CC_FOR_BUILD -o "$dummy" "$dummy.c" &&
-	  dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` &&
+	  dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` &&
-	  SYSTEM_NAME=`$dummy $dummyarg` &&
+	  SYSTEM_NAME=`"$dummy" "$dummyarg"` &&
 	    { echo "$SYSTEM_NAME"; exit; }
-	echo mips-mips-riscos${UNAME_RELEASE}
+	echo mips-mips-riscos"$UNAME_RELEASE"
 	exit ;;
    Motorola:PowerMAX_OS:*:*)
 	echo powerpc-motorola-powermax
@@ -527,17 +534,17 @@ EOF
    AViiON:dgux:*:*)
 	# DG/UX returns AViiON for all architectures
 	UNAME_PROCESSOR=`/usr/bin/uname -p`
-	if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+	if [ "$UNAME_PROCESSOR" = mc88100 ] || [ "$UNAME_PROCESSOR" = mc88110 ]
 	then
-	    if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+	    if [ "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx ] || \
-	       [ ${TARGET_BINARY_INTERFACE}x = x ]
+	       [ "$TARGET_BINARY_INTERFACE"x = x ]
 	    then
-		echo m88k-dg-dgux${UNAME_RELEASE}
+		echo m88k-dg-dgux"$UNAME_RELEASE"
 	    else
-		echo m88k-dg-dguxbcs${UNAME_RELEASE}
+		echo m88k-dg-dguxbcs"$UNAME_RELEASE"
 	    fi
 	else
-	    echo i586-dg-dgux${UNAME_RELEASE}
+	    echo i586-dg-dgux"$UNAME_RELEASE"
 	fi
 	exit ;;
    M88*:DolphinOS:*:*)	# DolphinOS (SVR3)
@@ -554,7 +561,7 @@ EOF
 	echo m68k-tektronix-bsd
 	exit ;;
    *:IRIX*:*:*)
-	echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
+	echo mips-sgi-irix"`echo "$UNAME_RELEASE"|sed -e 's/-/_/g'`"
 	exit ;;
    ????????:AIX?:[12].1:2)   # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
 	echo romp-ibm-aix     # uname -m gives an 8 hex-code CPU id
@@ -566,14 +573,14 @@ EOF
 	if [ -x /usr/bin/oslevel ] ; then
 		IBM_REV=`/usr/bin/oslevel`
 	else
-		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+		IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
 	fi
-	echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+	echo "$UNAME_MACHINE"-ibm-aix"$IBM_REV"
 	exit ;;
    *:AIX:2:3)
 	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
-		eval $set_cc_for_build
+		eval "$set_cc_for_build"
-		sed 's/^		//' << EOF >$dummy.c
+		sed 's/^		//' << EOF > "$dummy.c"
 		#include <sys/systemcfg.h>
 		main()
@@ -584,7 +591,7 @@ EOF
 			exit(0);
 			}
 EOF
-		if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy`
+		if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"`
 		then
 			echo "$SYSTEM_NAME"
 		else
@@ -598,7 +605,7 @@ EOF
 	exit ;;
    *:AIX:*:[4567])
 	IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
-	if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+	if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then
 		IBM_ARCH=rs6000
 	else
 		IBM_ARCH=powerpc
@@ -607,18 +614,18 @@ EOF
 		IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc |
 			   awk -F: '{ print $3 }' | sed s/[0-9]*$/0/`
 	else
-		IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+		IBM_REV="$UNAME_VERSION.$UNAME_RELEASE"
 	fi
-	echo ${IBM_ARCH}-ibm-aix${IBM_REV}
+	echo "$IBM_ARCH"-ibm-aix"$IBM_REV"
 	exit ;;
    *:AIX:*:*)
 	echo rs6000-ibm-aix
 	exit ;;
-    ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+    ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*)
 	echo romp-ibm-bsd4.4
 	exit ;;
    ibmrt:*BSD:*|romp-ibm:BSD:*)            # covers RT/PC BSD and
-	echo romp-ibm-bsd${UNAME_RELEASE}   # 4.3 with uname added to
+	echo romp-ibm-bsd"$UNAME_RELEASE"   # 4.3 with uname added to
 	exit ;;                             # report: romp-ibm BSD 4.3
    *:BOSX:*:*)
 	echo rs6000-bull-bosx
@@ -633,28 +640,28 @@ EOF
 	echo m68k-hp-bsd4.4
 	exit ;;
    9000/[34678]??:HP-UX:*:*)
-	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
-	case "${UNAME_MACHINE}" in
+	case "$UNAME_MACHINE" in
-	    9000/31? )            HP_ARCH=m68000 ;;
+	    9000/31?)            HP_ARCH=m68000 ;;
-	    9000/[34]?? )         HP_ARCH=m68k ;;
+	    9000/[34]??)         HP_ARCH=m68k ;;
 	    9000/[678][0-9][0-9])
 		if [ -x /usr/bin/getconf ]; then
 		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
 		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
-		    case "${sc_cpu_version}" in
+		    case "$sc_cpu_version" in
 		      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
 		      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
 		      532)                      # CPU_PA_RISC2_0
-			case "${sc_kernel_bits}" in
+			case "$sc_kernel_bits" in
 			  32) HP_ARCH=hppa2.0n ;;
 			  64) HP_ARCH=hppa2.0w ;;
 			  '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
 			esac ;;
 		    esac
 		fi
-		if [ "${HP_ARCH}" = "" ]; then
+		if [ "$HP_ARCH" = "" ]; then
-		    eval $set_cc_for_build
+		    eval "$set_cc_for_build"
-		    sed 's/^		//' << EOF >$dummy.c
+		    sed 's/^		//' << EOF > "$dummy.c"
 		#define _HPUX_SOURCE
 		#include <stdlib.h>
@@ -687,13 +694,13 @@ EOF
 		    exit (0);
 		}
 EOF
-		    (CCOPTS="" $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+		    (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"`
 		    test -z "$HP_ARCH" && HP_ARCH=hppa
 		fi ;;
 	esac
-	if [ ${HP_ARCH} = hppa2.0w ]
+	if [ "$HP_ARCH" = hppa2.0w ]
 	then
-	    eval $set_cc_for_build
+	    eval "$set_cc_for_build"
 	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
 	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
@@ -712,15 +719,15 @@ EOF
 		HP_ARCH=hppa64
 	    fi
 	fi
-	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
+	echo "$HP_ARCH"-hp-hpux"$HPUX_REV"
 	exit ;;
    ia64:HP-UX:*:*)
-	HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+	HPUX_REV=`echo "$UNAME_RELEASE"|sed -e 's/[^.]*.[0B]*//'`
-	echo ia64-hp-hpux${HPUX_REV}
+	echo ia64-hp-hpux"$HPUX_REV"
 	exit ;;
    3050*:HI-UX:*:*)
-	eval $set_cc_for_build
+	eval "$set_cc_for_build"
-	sed 's/^	//' << EOF >$dummy.c
+	sed 's/^	//' << EOF > "$dummy.c"
 	#include <unistd.h>
 	int
 	main ()
@@ -745,11 +752,11 @@ EOF
 	  exit (0);
 	}
 EOF
-	$CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` &&
+	$CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` &&
 		{ echo "$SYSTEM_NAME"; exit; }
 	echo unknown-hitachi-hiuxwe2
 	exit ;;
-    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+    9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*)
 	echo hppa1.1-hp-bsd
 	exit ;;
    9000/8??:4.3bsd:*:*)
@@ -758,7 +765,7 @@ EOF
    *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
 	echo hppa1.0-hp-mpeix
 	exit ;;
-    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+    hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*)
 	echo hppa1.1-hp-osf
 	exit ;;
    hp8??:OSF1:*:*)
@@ -766,9 +773,9 @@ EOF
 	exit ;;
    i*86:OSF1:*:*)
 	if [ -x /usr/sbin/sysversion ] ; then
-	    echo ${UNAME_MACHINE}-unknown-osf1mk
+	    echo "$UNAME_MACHINE"-unknown-osf1mk
 	else
-	    echo ${UNAME_MACHINE}-unknown-osf1
+	    echo "$UNAME_MACHINE"-unknown-osf1
 	fi
 	exit ;;
    parisc*:Lites*:*:*)
@@ -793,127 +800,109 @@ EOF
 	echo c4-convex-bsd
 	exit ;;
    CRAY*Y-MP:*:*:*)
-	echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	echo ymp-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
    CRAY*[A-Z]90:*:*:*)
-	echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
+	echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \
 	| sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
 	      -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
 	      -e 's/\.[^.]*$/.X/'
 	exit ;;
    CRAY*TS:*:*:*)
-	echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	echo t90-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
    CRAY*T3E:*:*:*)
-	echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	echo alphaev5-cray-unicosmk"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
    CRAY*SV1:*:*:*)
-	echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	echo sv1-cray-unicos"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
    *:UNICOS/mp:*:*)
-	echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+	echo craynv-cray-unicosmp"$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
    F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
 	FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
 	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
-	FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+	FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'`
 	echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
 	exit ;;
    5000:UNIX_System_V:4.*:*)
 	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
-	FUJITSU_REL=`echo ${UNAME_RELEASE} | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
+	FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
 	echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
 	exit ;;
    i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
-	echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+	echo "$UNAME_MACHINE"-pc-bsdi"$UNAME_RELEASE"
 	exit ;;
    sparc*:BSD/OS:*:*)
-	echo sparc-unknown-bsdi${UNAME_RELEASE}
+	echo sparc-unknown-bsdi"$UNAME_RELEASE"
 	exit ;;
    *:BSD/OS:*:*)
-	echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
+	echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
 	exit ;;
    *:FreeBSD:*:*)
 	UNAME_PROCESSOR=`/usr/bin/uname -p`
-	case ${UNAME_PROCESSOR} in
+	case "$UNAME_PROCESSOR" in
 	    amd64)
-		echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+		UNAME_PROCESSOR=x86_64 ;;
-	    *)
+	    i386)
-		echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;;
+		UNAME_PROCESSOR=i586 ;;
 	esac
+	echo "$UNAME_PROCESSOR"-unknown-freebsd"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`"
 	exit ;;
    i*:CYGWIN*:*)
-	echo ${UNAME_MACHINE}-pc-cygwin
+	echo "$UNAME_MACHINE"-pc-cygwin
 	exit ;;
    *:MINGW64*:*)
-	echo ${UNAME_MACHINE}-pc-mingw64
+	echo "$UNAME_MACHINE"-pc-mingw64
 	exit ;;
    *:MINGW*:*)
-	echo ${UNAME_MACHINE}-pc-mingw32
+	echo "$UNAME_MACHINE"-pc-mingw32
 	exit ;;
    *:MSYS*:*)
-	echo ${UNAME_MACHINE}-pc-msys
+	echo "$UNAME_MACHINE"-pc-msys
-	exit ;;
-    i*:windows32*:*)
-	# uname -m includes "-pc" on this system.
-	echo ${UNAME_MACHINE}-mingw32
 	exit ;;
    i*:PW*:*)
-	echo ${UNAME_MACHINE}-pc-pw32
+	echo "$UNAME_MACHINE"-pc-pw32
 	exit ;;
    *:Interix*:*)
-	case ${UNAME_MACHINE} in
+	case "$UNAME_MACHINE" in
 	    x86)
-		echo i586-pc-interix${UNAME_RELEASE}
+		echo i586-pc-interix"$UNAME_RELEASE"
 		exit ;;
 	    authenticamd | genuineintel | EM64T)
-		echo x86_64-unknown-interix${UNAME_RELEASE}
+		echo x86_64-unknown-interix"$UNAME_RELEASE"
 		exit ;;
 	    IA64)
-		echo ia64-unknown-interix${UNAME_RELEASE}
+		echo ia64-unknown-interix"$UNAME_RELEASE"
 		exit ;;
 	esac ;;
-    [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
-	echo i${UNAME_MACHINE}-pc-mks
-	exit ;;
-    8664:Windows_NT:*)
-	echo x86_64-pc-mks
-	exit ;;
-    i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
-	# How do we know it's Interix rather than the generic POSIX subsystem?
-	# It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
-	# UNAME_MACHINE based on the output of uname instead of i386?
-	echo i586-pc-interix
-	exit ;;
    i*:UWIN*:*)
-	echo ${UNAME_MACHINE}-pc-uwin
+	echo "$UNAME_MACHINE"-pc-uwin
 	exit ;;
    amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*)
 	echo x86_64-unknown-cygwin
 	exit ;;
-    p*:CYGWIN*:*)
-	echo powerpcle-unknown-cygwin
-	exit ;;
    prep*:SunOS:5.*:*)
-	echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+	echo powerpcle-unknown-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
 	exit ;;
    *:GNU:*:*)
 	# the GNU system
-	echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+	echo "`echo "$UNAME_MACHINE"|sed -e 's,[-/].*$,,'`-unknown-$LIBC`echo "$UNAME_RELEASE"|sed -e 's,/.*$,,'`"
 	exit ;;
    *:GNU/*:*:*)
 	# other systems with GNU libc and userland
-	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC}
+	echo "$UNAME_MACHINE-unknown-`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`-$LIBC"
 	exit ;;
    i*86:Minix:*:*)
-	echo ${UNAME_MACHINE}-pc-minix
+	echo "$UNAME_MACHINE"-pc-minix
 	exit ;;
    aarch64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    aarch64_be:Linux:*:*)
 	UNAME_MACHINE=aarch64_be
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    alpha:Linux:*:*)
 	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
@@ -927,63 +916,63 @@ EOF
 	esac
 	objdump --private-headers /bin/sh | grep -q ld.so.1
 	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    arc:Linux:*:* | arceb:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    arm*:Linux:*:*)
-	eval $set_cc_for_build
+	eval "$set_cc_for_build"
 	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
 	    | grep -q __ARM_EABI__
 	then
-	    echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	    echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	else
 	    if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
 		| grep -q __ARM_PCS_VFP
 	    then
-		echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi
+		echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabi
 	    else
-		echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf
+		echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"eabihf
 	    fi
 	fi
 	exit ;;
    avr32*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    cris:Linux:*:*)
-	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
+	echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
 	exit ;;
    crisv32:Linux:*:*)
-	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
+	echo "$UNAME_MACHINE"-axis-linux-"$LIBC"
 	exit ;;
    e2k:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    frv:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    hexagon:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    i*86:Linux:*:*)
-	echo ${UNAME_MACHINE}-pc-linux-${LIBC}
+	echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
 	exit ;;
    ia64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    k1om:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    m32r*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    m68*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    mips:Linux:*:* | mips64:Linux:*:*)
-	eval $set_cc_for_build
+	eval "$set_cc_for_build"
-	sed 's/^	//' << EOF >$dummy.c
+	sed 's/^	//' << EOF > "$dummy.c"
 	#undef CPU
 	#undef ${UNAME_MACHINE}
 	#undef ${UNAME_MACHINE}el
@@ -997,70 +986,74 @@ EOF
 	#endif
 	#endif
 EOF
-	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
+	eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU'`"
-	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; }
+	test "x$CPU" != x && { echo "$CPU-unknown-linux-$LIBC"; exit; }
 	;;
    mips64el:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    openrisc*:Linux:*:*)
-	echo or1k-unknown-linux-${LIBC}
+	echo or1k-unknown-linux-"$LIBC"
 	exit ;;
    or32:Linux:*:* | or1k*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    padre:Linux:*:*)
-	echo sparc-unknown-linux-${LIBC}
+	echo sparc-unknown-linux-"$LIBC"
 	exit ;;
    parisc64:Linux:*:* | hppa64:Linux:*:*)
-	echo hppa64-unknown-linux-${LIBC}
+	echo hppa64-unknown-linux-"$LIBC"
 	exit ;;
    parisc:Linux:*:* | hppa:Linux:*:*)
 	# Look for CPU level
 	case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
-	  PA7*) echo hppa1.1-unknown-linux-${LIBC} ;;
+	  PA7*) echo hppa1.1-unknown-linux-"$LIBC" ;;
-	  PA8*) echo hppa2.0-unknown-linux-${LIBC} ;;
+	  PA8*) echo hppa2.0-unknown-linux-"$LIBC" ;;
-	  *)    echo hppa-unknown-linux-${LIBC} ;;
+	  *)    echo hppa-unknown-linux-"$LIBC" ;;
 	esac
 	exit ;;
    ppc64:Linux:*:*)
-	echo powerpc64-unknown-linux-${LIBC}
+	echo powerpc64-unknown-linux-"$LIBC"
 	exit ;;
    ppc:Linux:*:*)
-	echo powerpc-unknown-linux-${LIBC}
+	echo powerpc-unknown-linux-"$LIBC"
 	exit ;;
    ppc64le:Linux:*:*)
-	echo powerpc64le-unknown-linux-${LIBC}
+	echo powerpc64le-unknown-linux-"$LIBC"
 	exit ;;
    ppcle:Linux:*:*)
-	echo powerpcle-unknown-linux-${LIBC}
+	echo powerpcle-unknown-linux-"$LIBC"
 	exit ;;
    riscv32:Linux:*:* | riscv64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    s390:Linux:*:* | s390x:Linux:*:*)
-	echo ${UNAME_MACHINE}-ibm-linux-${LIBC}
+	echo "$UNAME_MACHINE"-ibm-linux-"$LIBC"
 	exit ;;
    sh64*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    sh*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    sparc:Linux:*:* | sparc64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    tile*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    vax:Linux:*:*)
-	echo ${UNAME_MACHINE}-dec-linux-${LIBC}
+	echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
 	exit ;;
    x86_64:Linux:*:*)
-	echo ${UNAME_MACHINE}-pc-linux-${LIBC}
+	if objdump -f /bin/sh | grep -q elf32-x86-64; then
+	    echo "$UNAME_MACHINE"-pc-linux-"$LIBC"x32
+	else
+	    echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
+	fi
 	exit ;;
    xtensa*:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    i*86:DYNIX/ptx:4*:*)
 	# ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
@@ -1074,34 +1067,34 @@ EOF
 	# I am not positive that other SVR4 systems won't match this,
 	# I just have to hope.  -- rms.
 	# Use sysv4.2uw... so that sysv4* matches it.
-	echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+	echo "$UNAME_MACHINE"-pc-sysv4.2uw"$UNAME_VERSION"
 	exit ;;
    i*86:OS/2:*:*)
 	# If we were able to find `uname', then EMX Unix compatibility
 	# is probably installed.
-	echo ${UNAME_MACHINE}-pc-os2-emx
+	echo "$UNAME_MACHINE"-pc-os2-emx
 	exit ;;
    i*86:XTS-300:*:STOP)
-	echo ${UNAME_MACHINE}-unknown-stop
+	echo "$UNAME_MACHINE"-unknown-stop
 	exit ;;
    i*86:atheos:*:*)
-	echo ${UNAME_MACHINE}-unknown-atheos
+	echo "$UNAME_MACHINE"-unknown-atheos
 	exit ;;
    i*86:syllable:*:*)
-	echo ${UNAME_MACHINE}-pc-syllable
+	echo "$UNAME_MACHINE"-pc-syllable
 	exit ;;
    i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*)
-	echo i386-unknown-lynxos${UNAME_RELEASE}
+	echo i386-unknown-lynxos"$UNAME_RELEASE"
 	exit ;;
    i*86:*DOS:*:*)
-	echo ${UNAME_MACHINE}-pc-msdosdjgpp
+	echo "$UNAME_MACHINE"-pc-msdosdjgpp
 	exit ;;
-    i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+    i*86:*:4.*:*)
-	UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
+	UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'`
 	if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
-		echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
+		echo "$UNAME_MACHINE"-univel-sysv"$UNAME_REL"
 	else
-		echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
+		echo "$UNAME_MACHINE"-pc-sysv"$UNAME_REL"
 	fi
 	exit ;;
    i*86:*:5:[678]*)
@@ -1111,12 +1104,12 @@ EOF
 	    *Pentium)	     UNAME_MACHINE=i586 ;;
 	    *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
 	esac
-	echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+	echo "$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}{$UNAME_VERSION}"
 	exit ;;
    i*86:*:3.2:*)
 	if test -f /usr/options/cb.name; then
 		UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
-		echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
+		echo "$UNAME_MACHINE"-pc-isc"$UNAME_REL"
 	elif /bin/uname -X 2>/dev/null >/dev/null ; then
 		UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
 		(/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
@@ -1126,9 +1119,9 @@ EOF
 			&& UNAME_MACHINE=i686
 		(/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
 			&& UNAME_MACHINE=i686
-		echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
+		echo "$UNAME_MACHINE"-pc-sco"$UNAME_REL"
 	else
-		echo ${UNAME_MACHINE}-pc-sysv32
+		echo "$UNAME_MACHINE"-pc-sysv32
 	fi
 	exit ;;
    pc:*:*:*)
@@ -1148,9 +1141,9 @@ EOF
 	exit ;;
    i860:*:4.*:*) # i860-SVR4
 	if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
-	  echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
+	  echo i860-stardent-sysv"$UNAME_RELEASE" # Stardent Vistra i860-SVR4
 	else # Add other i860-SVR4 vendors below as they are discovered.
-	  echo i860-unknown-sysv${UNAME_RELEASE}  # Unknown i860-SVR4
+	  echo i860-unknown-sysv"$UNAME_RELEASE"  # Unknown i860-SVR4
 	fi
 	exit ;;
    mini*:CTIX:SYS*5:*)
@@ -1170,9 +1163,9 @@ EOF
 	test -r /etc/.relid \
 	&& OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
 	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-	  && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+	  && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
 	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
-	  && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+	  && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
    3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
 	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
 	  && { echo i486-ncr-sysv4; exit; } ;;
@@ -1181,28 +1174,28 @@ EOF
 	test -r /etc/.relid \
 	    && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
 	/bin/uname -p 2>/dev/null | grep 86 >/dev/null \
-	    && { echo i486-ncr-sysv4.3${OS_REL}; exit; }
+	    && { echo i486-ncr-sysv4.3"$OS_REL"; exit; }
 	/bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
-	    && { echo i586-ncr-sysv4.3${OS_REL}; exit; }
+	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; }
 	/bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \
-	    && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;;
+	    && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;;
    m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
-	echo m68k-unknown-lynxos${UNAME_RELEASE}
+	echo m68k-unknown-lynxos"$UNAME_RELEASE"
 	exit ;;
    mc68030:UNIX_System_V:4.*:*)
 	echo m68k-atari-sysv4
 	exit ;;
    TSUNAMI:LynxOS:2.*:*)
-	echo sparc-unknown-lynxos${UNAME_RELEASE}
+	echo sparc-unknown-lynxos"$UNAME_RELEASE"
 	exit ;;
    rs6000:LynxOS:2.*:*)
-	echo rs6000-unknown-lynxos${UNAME_RELEASE}
+	echo rs6000-unknown-lynxos"$UNAME_RELEASE"
 	exit ;;
    PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*)
-	echo powerpc-unknown-lynxos${UNAME_RELEASE}
+	echo powerpc-unknown-lynxos"$UNAME_RELEASE"
 	exit ;;
    SM[BE]S:UNIX_SV:*:*)
-	echo mips-dde-sysv${UNAME_RELEASE}
+	echo mips-dde-sysv"$UNAME_RELEASE"
 	exit ;;
    RM*:ReliantUNIX-*:*:*)
 	echo mips-sni-sysv4
@@ -1213,7 +1206,7 @@ EOF
    *:SINIX-*:*:*)
 	if uname -p 2>/dev/null >/dev/null ; then
 		UNAME_MACHINE=`(uname -p) 2>/dev/null`
-		echo ${UNAME_MACHINE}-sni-sysv4
+		echo "$UNAME_MACHINE"-sni-sysv4
 	else
 		echo ns32k-sni-sysv
 	fi
@@ -1233,23 +1226,23 @@ EOF
 	exit ;;
    i*86:VOS:*:*)
 	# From Paul.Green@stratus.com.
-	echo ${UNAME_MACHINE}-stratus-vos
+	echo "$UNAME_MACHINE"-stratus-vos
 	exit ;;
    *:VOS:*:*)
 	# From Paul.Green@stratus.com.
 	echo hppa1.1-stratus-vos
 	exit ;;
    mc68*:A/UX:*:*)
-	echo m68k-apple-aux${UNAME_RELEASE}
+	echo m68k-apple-aux"$UNAME_RELEASE"
 	exit ;;
    news*:NEWS-OS:6*:*)
 	echo mips-sony-newsos6
 	exit ;;
    R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
 	if [ -d /usr/nec ]; then
-		echo mips-nec-sysv${UNAME_RELEASE}
+		echo mips-nec-sysv"$UNAME_RELEASE"
 	else
-		echo mips-unknown-sysv${UNAME_RELEASE}
+		echo mips-unknown-sysv"$UNAME_RELEASE"
 	fi
 	exit ;;
    BeBox:BeOS:*:*)	# BeOS running on hardware made by Be, PPC only.
@@ -1268,49 +1261,56 @@ EOF
 	echo x86_64-unknown-haiku
 	exit ;;
    SX-4:SUPER-UX:*:*)
-	echo sx4-nec-superux${UNAME_RELEASE}
+	echo sx4-nec-superux"$UNAME_RELEASE"
 	exit ;;
    SX-5:SUPER-UX:*:*)
-	echo sx5-nec-superux${UNAME_RELEASE}
+	echo sx5-nec-superux"$UNAME_RELEASE"
 	exit ;;
    SX-6:SUPER-UX:*:*)
-	echo sx6-nec-superux${UNAME_RELEASE}
+	echo sx6-nec-superux"$UNAME_RELEASE"
 	exit ;;
    SX-7:SUPER-UX:*:*)
-	echo sx7-nec-superux${UNAME_RELEASE}
+	echo sx7-nec-superux"$UNAME_RELEASE"
 	exit ;;
    SX-8:SUPER-UX:*:*)
-	echo sx8-nec-superux${UNAME_RELEASE}
+	echo sx8-nec-superux"$UNAME_RELEASE"
 	exit ;;
    SX-8R:SUPER-UX:*:*)
-	echo sx8r-nec-superux${UNAME_RELEASE}
+	echo sx8r-nec-superux"$UNAME_RELEASE"
 	exit ;;
    SX-ACE:SUPER-UX:*:*)
-	echo sxace-nec-superux${UNAME_RELEASE}
+	echo sxace-nec-superux"$UNAME_RELEASE"
 	exit ;;
    Power*:Rhapsody:*:*)
-	echo powerpc-apple-rhapsody${UNAME_RELEASE}
+	echo powerpc-apple-rhapsody"$UNAME_RELEASE"
 	exit ;;
    *:Rhapsody:*:*)
-	echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+	echo "$UNAME_MACHINE"-apple-rhapsody"$UNAME_RELEASE"
 	exit ;;
    *:Darwin:*:*)
 	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
-	eval $set_cc_for_build
+	eval "$set_cc_for_build"
 	if test "$UNAME_PROCESSOR" = unknown ; then
 	    UNAME_PROCESSOR=powerpc
 	fi
-	if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then
+	if test "`echo "$UNAME_RELEASE" | sed -e 's/\..*//'`" -le 10 ; then
 	    if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
 		if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
-		    (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		       (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
-		    grep IS_64BIT_ARCH >/dev/null
+		       grep IS_64BIT_ARCH >/dev/null
 		then
 		    case $UNAME_PROCESSOR in
 			i386) UNAME_PROCESSOR=x86_64 ;;
 			powerpc) UNAME_PROCESSOR=powerpc64 ;;
 		    esac
 		fi
+		# On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc
+		if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \
+		       (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		       grep IS_PPC >/dev/null
+		then
+		    UNAME_PROCESSOR=powerpc
+		fi
 	    fi
 	elif test "$UNAME_PROCESSOR" = i386 ; then
 	    # Avoid executing cc on OS X 10.9, as it ships with a stub
@@ -1321,7 +1321,7 @@ EOF
 	    # that Apple uses in portable devices.
 	    UNAME_PROCESSOR=x86_64
 	fi
-	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+	echo "$UNAME_PROCESSOR"-apple-darwin"$UNAME_RELEASE"
 	exit ;;
    *:procnto*:*:* | *:QNX:[0123456789]*:*)
 	UNAME_PROCESSOR=`uname -p`
@@ -1329,19 +1329,25 @@ EOF
 		UNAME_PROCESSOR=i386
 		UNAME_MACHINE=pc
 	fi
-	echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+	echo "$UNAME_PROCESSOR"-"$UNAME_MACHINE"-nto-qnx"$UNAME_RELEASE"
 	exit ;;
    *:QNX:*:4*)
 	echo i386-pc-qnx
 	exit ;;
-    NEO-?:NONSTOP_KERNEL:*:*)
+    NEO-*:NONSTOP_KERNEL:*:*)
-	echo neo-tandem-nsk${UNAME_RELEASE}
+	echo neo-tandem-nsk"$UNAME_RELEASE"
 	exit ;;
    NSE-*:NONSTOP_KERNEL:*:*)
-	echo nse-tandem-nsk${UNAME_RELEASE}
+	echo nse-tandem-nsk"$UNAME_RELEASE"
+	exit ;;
+    NSR-*:NONSTOP_KERNEL:*:*)
+	echo nsr-tandem-nsk"$UNAME_RELEASE"
+	exit ;;
+    NSV-*:NONSTOP_KERNEL:*:*)
+	echo nsv-tandem-nsk"$UNAME_RELEASE"
 	exit ;;
-    NSR-?:NONSTOP_KERNEL:*:*)
+    NSX-*:NONSTOP_KERNEL:*:*)
-	echo nsr-tandem-nsk${UNAME_RELEASE}
+	echo nsx-tandem-nsk"$UNAME_RELEASE"
 	exit ;;
    *:NonStop-UX:*:*)
 	echo mips-compaq-nonstopux
@@ -1350,7 +1356,7 @@ EOF
 	echo bs2000-siemens-sysv
 	exit ;;
    DS/*:UNIX_System_V:*:*)
-	echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+	echo "$UNAME_MACHINE"-"$UNAME_SYSTEM"-"$UNAME_RELEASE"
 	exit ;;
    *:Plan9:*:*)
 	# "uname -m" is not consistent, so use $cputype instead. 386
@@ -1361,7 +1367,7 @@ EOF
 	else
 	    UNAME_MACHINE="$cputype"
 	fi
-	echo ${UNAME_MACHINE}-unknown-plan9
+	echo "$UNAME_MACHINE"-unknown-plan9
 	exit ;;
    *:TOPS-10:*:*)
 	echo pdp10-unknown-tops10
@@ -1382,14 +1388,14 @@ EOF
 	echo pdp10-unknown-its
 	exit ;;
    SEI:*:*:SEIUX)
-	echo mips-sei-seiux${UNAME_RELEASE}
+	echo mips-sei-seiux"$UNAME_RELEASE"
 	exit ;;
    *:DragonFly:*:*)
-	echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+	echo "$UNAME_MACHINE"-unknown-dragonfly"`echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`"
 	exit ;;
    *:*VMS:*:*)
 	UNAME_MACHINE=`(uname -p) 2>/dev/null`
-	case "${UNAME_MACHINE}" in
+	case "$UNAME_MACHINE" in
 	    A*) echo alpha-dec-vms ; exit ;;
 	    I*) echo ia64-dec-vms ; exit ;;
 	    V*) echo vax-dec-vms ; exit ;;
@@ -1398,32 +1404,44 @@ EOF
 	echo i386-pc-xenix
 	exit ;;
    i*86:skyos:*:*)
-	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE} | sed -e 's/ .*$//'`
+	echo "$UNAME_MACHINE"-pc-skyos"`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'`"
 	exit ;;
    i*86:rdos:*:*)
-	echo ${UNAME_MACHINE}-pc-rdos
+	echo "$UNAME_MACHINE"-pc-rdos
 	exit ;;
    i*86:AROS:*:*)
-	echo ${UNAME_MACHINE}-pc-aros
+	echo "$UNAME_MACHINE"-pc-aros
 	exit ;;
    x86_64:VMkernel:*:*)
-	echo ${UNAME_MACHINE}-unknown-esx
+	echo "$UNAME_MACHINE"-unknown-esx
 	exit ;;
    amd64:Isilon\ OneFS:*:*)
 	echo x86_64-unknown-onefs
 	exit ;;
 esac
+echo "$0: unable to guess system type" >&2
+case "$UNAME_MACHINE:$UNAME_SYSTEM" in
+    mips:Linux | mips64:Linux)
+	# If we got here on MIPS GNU/Linux, output extra information.
+	cat >&2 <<EOF
+NOTE: MIPS GNU/Linux systems require a C compiler to fully recognize
+the system type. Please install a C compiler and try again.
+EOF
+	;;
+esac
 cat >&2 <<EOF
-$0: unable to guess system type
 This script (version $timestamp), has failed to recognize the
-operating system you are using. If your script is old, overwrite
+operating system you are using. If your script is old, overwrite *all*
-config.guess and config.sub with the latest versions from:
+copies of config.guess and config.sub with the latest versions from:
-  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
 and
-  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+  https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
 If $0 has already been updated, send the following data and any
 information you think might be pertinent to config-patches@gnu.org to
@@ -1446,16 +1464,16 @@ hostinfo               = `(hostinfo) 2>/dev/null`
 /usr/bin/oslevel       = `(/usr/bin/oslevel) 2>/dev/null`
 /usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
-UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_MACHINE = "$UNAME_MACHINE"
-UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_RELEASE = "$UNAME_RELEASE"
-UNAME_SYSTEM  = ${UNAME_SYSTEM}
+UNAME_SYSTEM  = "$UNAME_SYSTEM"
-UNAME_VERSION = ${UNAME_VERSION}
+UNAME_VERSION = "$UNAME_VERSION"
 EOF
 exit 1
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'write-file-functions 'time-stamp)
 # time-stamp-start: "timestamp='"
 # time-stamp-format: "%:y-%02m-%02d"
 # time-stamp-end: "'"

--- a/build-aux/config.sub
+++ b/build-aux/config.sub
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright 1992-2016 Free Software Foundation, Inc.
+#   Copyright 1992-2018 Free Software Foundation, Inc.
-timestamp='2016-11-04'
+timestamp='2018-02-22'
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -15,7 +15,7 @@ timestamp='2016-11-04'
 # General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# along with this program; if not, see <https://www.gnu.org/licenses/>.
 #
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@@ -33,7 +33,7 @@ timestamp='2016-11-04'
 # Otherwise, we print the canonical config type on stdout and succeed.
 # You can get the latest version of this script from:
-# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
 # This file is supposed to be the same for all GNU packages
 # and recognize all the CPU types, system types and aliases
@@ -57,7 +57,7 @@ Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
 Canonicalize a configuration name.
-Operation modes:
+Options:
  -h, --help         print this help, then exit
  -t, --time-stamp   print date of last modification, then exit
  -v, --version      print version number, then exit
@@ -67,7 +67,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
-Copyright 1992-2016 Free Software Foundation, Inc.
+Copyright 1992-2018 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -94,7 +94,7 @@ while test $# -gt 0 ; do
    *local*)
       # First pass through any local machine types.
-       echo $1
+       echo "$1"
       exit ;;
    * )
@@ -112,7 +112,7 @@ esac
 # Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
 # Here we must recognize all the valid KERNEL-OS combinations.
-maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+maybe_os=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
 case $maybe_os in
  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
@@ -120,16 +120,16 @@ case $maybe_os in
  kopensolaris*-gnu* | cloudabi*-eabi* | \
  storm-chaos* | os2-emx* | rtmk-nova*)
    os=-$maybe_os
-    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+    basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
    ;;
  android-linux)
    os=-linux-android
-    basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
+    basic_machine=`echo "$1" | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown
    ;;
  *)
-    basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+    basic_machine=`echo "$1" | sed 's/-[^-]*$//'`
-    if [ $basic_machine != $1 ]
+    if [ "$basic_machine" != "$1" ]
-    then os=`echo $1 | sed 's/.*-/-/'`
+    then os=`echo "$1" | sed 's/.*-/-/'`
    else os=; fi
    ;;
 esac
@@ -178,44 +178,44 @@ case $os in
 		;;
 	-sco6)
 		os=-sco5v6
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco5)
 		os=-sco3.2v5
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco4)
 		os=-sco3.2v4
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco3.2.[4-9]*)
 		os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco3.2v[4-9]*)
 		# Don't forget version if it is 3.2v4 or newer.
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco5v6*)
 		# Don't forget version if it is 3.2v4 or newer.
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-sco*)
 		os=-sco3.2v2
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-udk*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-isc)
 		os=-isc2.2
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-clix*)
 		basic_machine=clipper-intergraph
 		;;
 	-isc*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-pc/'`
 		;;
 	-lynx*178)
 		os=-lynxos178
@@ -227,10 +227,7 @@ case $os in
 		os=-lynxos
 		;;
 	-ptx*)
-		basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+		basic_machine=`echo "$1" | sed -e 's/86-.*/86-sequent/'`
-		;;
-	-windowsnt*)
-		os=`echo $os | sed -e 's/windowsnt/winnt/'`
 		;;
 	-psos*)
 		os=-psos
@@ -263,7 +260,7 @@ case $basic_machine in
 	| fido | fr30 | frv | ft32 \
 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
 	| hexagon \
-	| i370 | i860 | i960 | ia64 \
+	| i370 | i860 | i960 | ia16 | ia64 \
 	| ip2k | iq2000 \
 	| k1om \
 	| le32 | le64 \
@@ -299,7 +296,7 @@ case $basic_machine in
 	| nios | nios2 | nios2eb | nios2el \
 	| ns16k | ns32k \
 	| open8 | or1k | or1knd | or32 \
-	| pdp10 | pdp11 | pj | pjl \
+	| pdp10 | pj | pjl \
 	| powerpc | powerpc64 | powerpc64le | powerpcle \
 	| pru \
 	| pyramid \
@@ -315,7 +312,7 @@ case $basic_machine in
 	| ubicom32 \
 	| v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \
 	| visium \
-	| we32k \
+	| wasm32 \
 	| x86 | xc16x | xstormy16 | xtensa \
 	| z8k | z80)
 		basic_machine=$basic_machine-unknown
@@ -336,7 +333,7 @@ case $basic_machine in
 		basic_machine=$basic_machine-unknown
 		os=-none
 		;;
-	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
+	m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65)
 		;;
 	ms1)
 		basic_machine=mt-unknown
@@ -365,7 +362,7 @@ case $basic_machine in
 	  ;;
 	# Object if more than one company name word.
 	*-*-*)
-		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+		echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2
 		exit 1
 		;;
 	# Recognize the basic CPU types with company name.
@@ -388,7 +385,7 @@ case $basic_machine in
 	| h8300-* | h8500-* \
 	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
 	| hexagon-* \
-	| i*86-* | i860-* | i960-* | ia64-* \
+	| i*86-* | i860-* | i960-* | ia16-* | ia64-* \
 	| ip2k-* | iq2000-* \
 	| k1om-* \
 	| le32-* | le64-* \
@@ -446,6 +443,7 @@ case $basic_machine in
 	| v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \
 	| vax-* \
 	| visium-* \
+	| wasm32-* \
 	| we32k-* \
 	| x86-* | x86_64-* | xc16x-* | xps100-* \
 	| xstormy16-* | xtensa*-* \
@@ -459,7 +457,7 @@ case $basic_machine in
 	# Recognize the various machine names and aliases which stand
 	# for a CPU type and a company and sometimes even an OS.
 	386bsd)
-		basic_machine=i386-unknown
+		basic_machine=i386-pc
 		os=-bsd
 		;;
 	3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
@@ -493,7 +491,7 @@ case $basic_machine in
 		basic_machine=x86_64-pc
 		;;
 	amd64-*)
-		basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=x86_64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	amdahl)
 		basic_machine=580-amdahl
@@ -538,7 +536,7 @@ case $basic_machine in
 		os=-linux
 		;;
 	blackfin-*)
-		basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=bfin-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		os=-linux
 		;;
 	bluegene*)
@@ -546,13 +544,13 @@ case $basic_machine in
 		os=-cnk
 		;;
 	c54x-*)
-		basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=tic54x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	c55x-*)
-		basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=tic55x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	c6x-*)
-		basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=tic6x-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	c90)
 		basic_machine=c90-cray
@@ -641,7 +639,7 @@ case $basic_machine in
 		basic_machine=rs6000-bull
 		os=-bosx
 		;;
-	dpx2* | dpx2*-bull)
+	dpx2*)
 		basic_machine=m68k-bull
 		os=-sysv3
 		;;
@@ -650,7 +648,7 @@ case $basic_machine in
 		os=$os"spe"
 		;;
 	e500v[12]-*)
-		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		os=$os"spe"
 		;;
 	ebmon29k)
@@ -742,9 +740,6 @@ case $basic_machine in
 	hp9k8[0-9][0-9] | hp8[0-9][0-9])
 		basic_machine=hppa1.0-hp
 		;;
-	hppa-next)
-		os=-nextstep3
-		;;
 	hppaosf)
 		basic_machine=hppa1.1-hp
 		os=-osf
@@ -757,26 +752,26 @@ case $basic_machine in
 		basic_machine=i370-ibm
 		;;
 	i*86v32)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
 		os=-sysv32
 		;;
 	i*86v4*)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
 		os=-sysv4
 		;;
 	i*86v)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
 		os=-sysv
 		;;
 	i*86sol2)
-		basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+		basic_machine=`echo "$1" | sed -e 's/86.*/86-pc/'`
 		os=-solaris2
 		;;
 	i386mach)
 		basic_machine=i386-mach
 		os=-mach
 		;;
-	i386-vsta | vsta)
+	vsta)
 		basic_machine=i386-unknown
 		os=-vsta
 		;;
@@ -795,19 +790,16 @@ case $basic_machine in
 		os=-sysv
 		;;
 	leon-*|leon[3-9]-*)
-		basic_machine=sparc-`echo $basic_machine | sed 's/-.*//'`
+		basic_machine=sparc-`echo "$basic_machine" | sed 's/-.*//'`
 		;;
 	m68knommu)
 		basic_machine=m68k-unknown
 		os=-linux
 		;;
 	m68knommu-*)
-		basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=m68k-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		os=-linux
 		;;
-	m88k-omron*)
-		basic_machine=m88k-omron
-		;;
 	magnum | m3230)
 		basic_machine=mips-mips
 		os=-sysv
@@ -839,10 +831,10 @@ case $basic_machine in
 		os=-mint
 		;;
 	mips3*-*)
-		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+		basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`
 		;;
 	mips3*)
-		basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+		basic_machine=`echo "$basic_machine" | sed -e 's/mips3/mips64/'`-unknown
 		;;
 	monitor)
 		basic_machine=m68k-rom68k
@@ -861,7 +853,7 @@ case $basic_machine in
 		os=-msdos
 		;;
 	ms1-*)
-		basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'`
+		basic_machine=`echo "$basic_machine" | sed -e 's/ms1-/mt-/'`
 		;;
 	msys)
 		basic_machine=i686-pc
@@ -903,7 +895,7 @@ case $basic_machine in
 		basic_machine=v70-nec
 		os=-sysv
 		;;
-	next | m*-next )
+	next | m*-next)
 		basic_machine=m68k-next
 		case $os in
 		    -nextstep* )
@@ -948,6 +940,12 @@ case $basic_machine in
 	nsr-tandem)
 		basic_machine=nsr-tandem
 		;;
+	nsv-tandem)
+		basic_machine=nsv-tandem
+		;;
+	nsx-tandem)
+		basic_machine=nsx-tandem
+		;;
 	op50n-* | op60c-*)
 		basic_machine=hppa1.1-oki
 		os=-proelf
@@ -980,7 +978,7 @@ case $basic_machine in
 		os=-linux
 		;;
 	parisc-*)
-		basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=hppa-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		os=-linux
 		;;
 	pbd)
@@ -996,7 +994,7 @@ case $basic_machine in
 		basic_machine=i386-pc
 		;;
 	pc98-*)
-		basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=i386-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	pentium | p5 | k5 | k6 | nexgen | viac3)
 		basic_machine=i586-pc
@@ -1011,16 +1009,16 @@ case $basic_machine in
 		basic_machine=i786-pc
 		;;
 	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
-		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=i586-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	pentiumpro-* | p6-* | 6x86-* | athlon-*)
-		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
-		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=i686-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	pentium4-*)
-		basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=i786-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	pn)
 		basic_machine=pn-gould
@@ -1030,23 +1028,23 @@ case $basic_machine in
 	ppc | ppcbe)	basic_machine=powerpc-unknown
 		;;
 	ppc-* | ppcbe-*)
-		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=powerpc-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	ppcle | powerpclittle)
 		basic_machine=powerpcle-unknown
 		;;
 	ppcle-* | powerpclittle-*)
-		basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=powerpcle-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	ppc64)	basic_machine=powerpc64-unknown
 		;;
-	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+	ppc64-*) basic_machine=powerpc64-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	ppc64le | powerpc64little)
 		basic_machine=powerpc64le-unknown
 		;;
 	ppc64le-* | powerpc64little-*)
-		basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=powerpc64le-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	ps2)
 		basic_machine=i386-ibm
@@ -1100,17 +1098,10 @@ case $basic_machine in
 	sequent)
 		basic_machine=i386-sequent
 		;;
-	sh)
-		basic_machine=sh-hitachi
-		os=-hms
-		;;
 	sh5el)
 		basic_machine=sh5le-unknown
 		;;
-	sh64)
+	simso-wrs)
-		basic_machine=sh64-unknown
-		;;
-	sparclite-wrs | simso-wrs)
 		basic_machine=sparclite-wrs
 		os=-vxworks
 		;;
@@ -1129,7 +1120,7 @@ case $basic_machine in
 		os=-sysv4
 		;;
 	strongarm-* | thumb-*)
-		basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'`
+		basic_machine=arm-`echo "$basic_machine" | sed 's/^[^-]*-//'`
 		;;
 	sun2)
 		basic_machine=m68000-sun
@@ -1251,6 +1242,9 @@ case $basic_machine in
 		basic_machine=hppa1.1-winbond
 		os=-proelf
 		;;
+	x64)
+		basic_machine=x86_64-pc
+		;;
 	xbox)
 		basic_machine=i686-pc
 		os=-mingw32
@@ -1259,20 +1253,12 @@ case $basic_machine in
 		basic_machine=xps100-honeywell
 		;;
 	xscale-* | xscalee[bl]-*)
-		basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'`
+		basic_machine=`echo "$basic_machine" | sed 's/^xscale/arm/'`
 		;;
 	ymp)
 		basic_machine=ymp-cray
 		os=-unicos
 		;;
-	z8k-*-coff)
-		basic_machine=z8k-unknown
-		os=-sim
-		;;
-	z80-*-coff)
-		basic_machine=z80-unknown
-		os=-sim
-		;;
 	none)
 		basic_machine=none-none
 		os=-none
@@ -1301,10 +1287,6 @@ case $basic_machine in
 	vax)
 		basic_machine=vax-dec
 		;;
-	pdp10)
-		# there are many clones, so DEC is not a safe bet
-		basic_machine=pdp10-unknown
-		;;
 	pdp11)
 		basic_machine=pdp11-dec
 		;;
@@ -1314,9 +1296,6 @@ case $basic_machine in
 	sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele)
 		basic_machine=sh-unknown
 		;;
-	sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v)
-		basic_machine=sparc-sun
-		;;
 	cydra)
 		basic_machine=cydra-cydrome
 		;;
@@ -1336,7 +1315,7 @@ case $basic_machine in
 		# Make sure to match an already-canonicalized machine name.
 		;;
 	*)
-		echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+		echo Invalid configuration \`"$1"\': machine \`"$basic_machine"\' not recognized 1>&2
 		exit 1
 		;;
 esac
@@ -1344,10 +1323,10 @@ esac
 # Here we canonicalize certain aliases for manufacturers.
 case $basic_machine in
 	*-digital*)
-		basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
+		basic_machine=`echo "$basic_machine" | sed 's/digital.*/dec/'`
 		;;
 	*-commodore*)
-		basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
+		basic_machine=`echo "$basic_machine" | sed 's/commodore.*/cbm/'`
 		;;
 	*)
 		;;
@@ -1358,8 +1337,8 @@ esac
 if [ x"$os" != x"" ]
 then
 case $os in
-	# First match some system type aliases
+	# First match some system type aliases that might get confused
-	# that might get confused with valid system types.
+	# with valid system types.
 	# -solaris* is a basic system type, with this one exception.
 	-auroraux)
 		os=-auroraux
@@ -1370,18 +1349,19 @@ case $os in
 	-solaris)
 		os=-solaris2
 		;;
-	-svr4*)
-		os=-sysv4
-		;;
 	-unixware*)
 		os=-sysv4.2uw
 		;;
 	-gnu/linux*)
 		os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
 		;;
-	# First accept the basic system types.
+	# es1800 is here to avoid being matched by es* (a different OS)
+	-es1800*)
+		os=-ose
+		;;
+	# Now accept the basic system types.
 	# The portable systems comes first.
-	# Each alternative MUST END IN A *, to match a version number.
+	# Each alternative MUST end in a * to match a version number.
 	# -sysv* is not here because it comes later, after sysvr4.
 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
@@ -1391,25 +1371,26 @@ case $os in
 	      | -aos* | -aros* | -cloudabi* | -sortix* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
-	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
+	      | -hiux* | -knetbsd* | -mirbsd* | -netbsd* \
 	      | -bitrig* | -openbsd* | -solidbsd* | -libertybsd* \
 	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
 	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
-	      | -chorusos* | -chorusrdb* | -cegcc* \
+	      | -chorusos* | -chorusrdb* | -cegcc* | -glidix* \
 	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
 	      | -midipix* | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
 	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
 	      | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \
-	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* \
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
 	      | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
-	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+	      | -morphos* | -superux* | -rtmk* | -windiss* \
 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
 	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
-	      | -onefs* | -tirtos* | -phoenix* | -fuchsia*)
+	      | -onefs* | -tirtos* | -phoenix* | -fuchsia* | -redox* | -bme* \
+	      | -midnightbsd*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1426,12 +1407,12 @@ case $os in
 	-nto*)
 		os=`echo $os | sed -e 's|nto|nto-qnx|'`
 		;;
-	-sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
+	-sim | -xray | -os68k* | -v88r* \
-	      | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \
+	      | -windows* | -osx | -abug | -netware* | -os9* \
 	      | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
 		;;
 	-mac*)
-		os=`echo $os | sed -e 's|mac|macos|'`
+		os=`echo "$os" | sed -e 's|mac|macos|'`
 		;;
 	-linux-dietlibc)
 		os=-linux-dietlibc
@@ -1440,10 +1421,10 @@ case $os in
 		os=`echo $os | sed -e 's|linux|linux-gnu|'`
 		;;
 	-sunos5*)
-		os=`echo $os | sed -e 's|sunos5|solaris2|'`
+		os=`echo "$os" | sed -e 's|sunos5|solaris2|'`
 		;;
 	-sunos6*)
-		os=`echo $os | sed -e 's|sunos6|solaris3|'`
+		os=`echo "$os" | sed -e 's|sunos6|solaris3|'`
 		;;
 	-opened*)
 		os=-openedition
@@ -1454,12 +1435,6 @@ case $os in
 	-wince*)
 		os=-wince
 		;;
-	-osfrose*)
-		os=-osfrose
-		;;
-	-osf*)
-		os=-osf
-		;;
 	-utek*)
 		os=-bsd
 		;;
@@ -1484,7 +1459,7 @@ case $os in
 	-nova*)
 		os=-rtmk-nova
 		;;
-	-ns2 )
+	-ns2)
 		os=-nextstep2
 		;;
 	-nsk*)
@@ -1506,7 +1481,7 @@ case $os in
 	-oss*)
 		os=-sysv3
 		;;
-	-svr4)
+	-svr4*)
 		os=-sysv4
 		;;
 	-svr3)
@@ -1521,24 +1496,28 @@ case $os in
 	-ose*)
 		os=-ose
 		;;
-	-es1800*)
-		os=-ose
-		;;
-	-xenix)
-		os=-xenix
-		;;
 	-*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
 		os=-mint
 		;;
-	-aros*)
-		os=-aros
-		;;
 	-zvmoe)
 		os=-zvmoe
 		;;
 	-dicos*)
 		os=-dicos
 		;;
+	-pikeos*)
+		# Until real need of OS specific support for
+		# particular features comes up, bare metal
+		# configurations are quite functional.
+		case $basic_machine in
+		    arm*)
+			os=-eabi
+			;;
+		    *)
+			os=-elf
+			;;
+		esac
+		;;
 	-nacl*)
 		;;
 	-ios)
@@ -1548,7 +1527,7 @@ case $os in
 	*)
 		# Get rid of the `-' at the beginning of $os.
 		os=`echo $os | sed 's/[^-]*-//'`
-		echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
+		echo Invalid configuration \`"$1"\': system \`"$os"\' not recognized 1>&2
 		exit 1
 		;;
 esac
@@ -1638,12 +1617,12 @@ case $basic_machine in
 	sparc-* | *-sun)
 		os=-sunos4.1.1
 		;;
+	pru-*)
+		os=-elf
+		;;
 	*-be)
 		os=-beos
 		;;
-	*-haiku)
-		os=-haiku
-		;;
 	*-ibm)
 		os=-aix
 		;;
@@ -1683,7 +1662,7 @@ case $basic_machine in
 	m88k-omron*)
 		os=-luna
 		;;
-	*-next )
+	*-next)
 		os=-nextstep
 		;;
 	*-sequent)
@@ -1698,9 +1677,6 @@ case $basic_machine in
 	i370-*)
 		os=-mvs
 		;;
-	*-next)
-		os=-nextstep3
-		;;
 	*-gould)
 		os=-sysv
 		;;
@@ -1810,15 +1786,15 @@ case $basic_machine in
 				vendor=stratus
 				;;
 		esac
-		basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
+		basic_machine=`echo "$basic_machine" | sed "s/unknown/$vendor/"`
 		;;
 esac
-echo $basic_machine$os
+echo "$basic_machine$os"
 exit
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'write-file-functions 'time-stamp)
 # time-stamp-start: "timestamp='"
 # time-stamp-format: "%:y-%02m-%02d"
 # time-stamp-end: "'"

--- a/build-aux/depcomp
+++ b/build-aux/depcomp
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
-scriptversion=2013-05-30.07; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -16,7 +16,7 @@ scriptversion=2013-05-30.07; # UTC
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@@ -783,9 +783,9 @@ exit 0
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/build-aux/install-sh
+++ b/build-aux/install-sh
 #!/bin/sh
 # install - install a program, script, or datafile
-scriptversion=2014-09-12.12; # UTC
+scriptversion=2018-03-11.20; # UTC
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -271,15 +271,18 @@ do
    fi
    dst=$dst_arg
-    # If destination is a directory, append the input filename; won't work
+    # If destination is a directory, append the input filename.
-    # if double slashes aren't ignored.
    if test -d "$dst"; then
      if test "$is_target_a_directory" = never; then
        echo "$0: $dst_arg: Is a directory" >&2
        exit 1
      fi
      dstdir=$dst
-      dst=$dstdir/`basename "$src"`
+      dstbase=`basename "$src"`
+      case $dst in
+	*/) dst=$dst$dstbase;;
+	*)  dst=$dst/$dstbase;;
+      esac
      dstdir_status=0
    else
      dstdir=`dirname "$dst"`
@@ -288,6 +291,11 @@ do
    fi
  fi
+  case $dstdir in
+    */) dstdirslash=$dstdir;;
+    *)  dstdirslash=$dstdir/;;
+  esac
  obsolete_mkdir_used=false
  if test $dstdir_status != 0; then
@@ -324,14 +332,16 @@ do
            # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
            ;;
          *)
-            # $RANDOM is not portable (e.g. dash);  use it when possible to
+            # Note that $RANDOM variable is not portable (e.g. dash);  Use it
-            # lower collision chance
+            # here however when possible just to lower collision chance.
            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
-            # As "mkdir -p" follows symlinks and we work in /tmp possibly;  so
+            # Because "mkdir -p" follows existing symlinks and we likely work
-            # create the $tmpdir first (and fail if unsuccessful) to make sure
+            # directly in world-writeable /tmp, make sure that the '$tmpdir'
-            # that nobody tries to guess the $tmpdir name.
+            # directory is successfully created first before we actually test
+            # 'mkdir -p' feature.
            if (umask $mkdir_umask &&
                $mkdirprog $mkdir_mode "$tmpdir" &&
                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
@@ -434,8 +444,8 @@ do
  else
    # Make a couple of temp file names in the proper directory.
-    dsttmp=$dstdir/_inst.$$_
+    dsttmp=${dstdirslash}_inst.$$_
-    rmtmp=$dstdir/_rm.$$_
+    rmtmp=${dstdirslash}_rm.$$_
    # Trap to clean up those temp files at exit.
    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
@@ -500,9 +510,9 @@ do
 done
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/build-aux/ltmain.sh
+++ b/build-aux/ltmain.sh
@@ -31,7 +31,7 @@
 PROGRAM=libtool
 PACKAGE=libtool
-VERSION="2.4.6 Debian-2.4.6-2"
+VERSION="2.4.6 Debian-2.4.6-9"
 package_revision=2.4.6
@@ -1370,7 +1370,7 @@ func_lt_ver ()
 #! /bin/sh
 # Set a version string for this script.
-scriptversion=2014-01-07.03; # UTC
+scriptversion=2015-10-07.11; # UTC
 # A portable, pluggable option parser for Bourne shell.
 # Written by Gary V. Vaughan, 2010
@@ -1530,6 +1530,8 @@ func_run_hooks ()
 {
    $debug_cmd
+    _G_rc_run_hooks=false
    case " $hookable_fns " in
      *" $1 "*) ;;
      *) func_fatal_error "'$1' does not support hook funcions.n" ;;
@@ -1538,16 +1540,16 @@ func_run_hooks ()
    eval _G_hook_fns=\$$1_hooks; shift
    for _G_hook in $_G_hook_fns; do
-      eval $_G_hook '"$@"'
+      if eval $_G_hook '"$@"'; then
+        # store returned options list back into positional
-      # store returned options list back into positional
+        # parameters for next 'cmd' execution.
-      # parameters for next 'cmd' execution.
+        eval _G_hook_result=\$${_G_hook}_result
-      eval _G_hook_result=\$${_G_hook}_result
+        eval set dummy "$_G_hook_result"; shift
-      eval set dummy "$_G_hook_result"; shift
+        _G_rc_run_hooks=:
+      fi
    done
-    func_quote_for_eval ${1+"$@"}
+    $_G_rc_run_hooks && func_run_hooks_result=$_G_hook_result
-    func_run_hooks_result=$func_quote_for_eval_result
 }
@@ -1557,10 +1559,16 @@ func_run_hooks ()
 ## --------------- ##
 # In order to add your own option parsing hooks, you must accept the
-# full positional parameter list in your hook function, remove any
+# full positional parameter list in your hook function, you may remove/edit
-# options that you action, and then pass back the remaining unprocessed
+# any options that you action, and then pass back the remaining unprocessed
 # options in '<hooked_function_name>_result', escaped suitably for
-# 'eval'.  Like this:
+# 'eval'.  In this case you also must return $EXIT_SUCCESS to let the
+# hook's caller know that it should pay attention to
+# '<hooked_function_name>_result'.  Returning $EXIT_FAILURE signalizes that
+# arguments are left untouched by the hook and therefore caller will ignore the
+# result variable.
+#
+# Like this:
 #
 #    my_options_prep ()
 #    {
@@ -1570,9 +1578,11 @@ func_run_hooks ()
 #        usage_message=$usage_message'
 #      -s, --silent       don'\''t print informational messages
 #    '
-#
+#        # No change in '$@' (ignored completely by this hook).  There is
-#        func_quote_for_eval ${1+"$@"}
+#        # no need to do the equivalent (but slower) action:
-#        my_options_prep_result=$func_quote_for_eval_result
+#        # func_quote_for_eval ${1+"$@"}
+#        # my_options_prep_result=$func_quote_for_eval_result
+#        false
 #    }
 #    func_add_hook func_options_prep my_options_prep
 #
@@ -1581,25 +1591,37 @@ func_run_hooks ()
 #    {
 #        $debug_cmd
 #
+#        args_changed=false
+#
 #        # Note that for efficiency, we parse as many options as we can
 #        # recognise in a loop before passing the remainder back to the
 #        # caller on the first unrecognised argument we encounter.
 #        while test $# -gt 0; do
 #          opt=$1; shift
 #          case $opt in
-#            --silent|-s) opt_silent=: ;;
+#            --silent|-s) opt_silent=:
+#                         args_changed=:
+#                         ;;
 #            # Separate non-argument short options:
 #            -s*)         func_split_short_opt "$_G_opt"
 #                         set dummy "$func_split_short_opt_name" \
 #                             "-$func_split_short_opt_arg" ${1+"$@"}
 #                         shift
+#                         args_changed=:
 #                         ;;
-#            *)            set dummy "$_G_opt" "$*"; shift; break ;;
+#            *)           # Make sure the first unrecognised option "$_G_opt"
+#                         # is added back to "$@", we could need that later
+#                         # if $args_changed is true.
+#                         set dummy "$_G_opt" ${1+"$@"}; shift; break ;;
 #          esac
 #        done
 #
-#        func_quote_for_eval ${1+"$@"}
+#        if $args_changed; then
-#        my_silent_option_result=$func_quote_for_eval_result
+#          func_quote_for_eval ${1+"$@"}
+#          my_silent_option_result=$func_quote_for_eval_result
+#        fi
+#
+#        $args_changed
 #    }
 #    func_add_hook func_parse_options my_silent_option
 #
@@ -1611,16 +1633,32 @@ func_run_hooks ()
 #        $opt_silent && $opt_verbose && func_fatal_help "\
 #    '--silent' and '--verbose' options are mutually exclusive."
 #
-#        func_quote_for_eval ${1+"$@"}
+#        false
-#        my_option_validation_result=$func_quote_for_eval_result
 #    }
 #    func_add_hook func_validate_options my_option_validation
 #
-# You'll alse need to manually amend $usage_message to reflect the extra
+# You'll also need to manually amend $usage_message to reflect the extra
 # options you parse.  It's preferable to append if you can, so that
 # multiple option parsing hooks can be added safely.
+# func_options_finish [ARG]...
+# ----------------------------
+# Finishing the option parse loop (call 'func_options' hooks ATM).
+func_options_finish ()
+{
+    $debug_cmd
+    _G_func_options_finish_exit=false
+    if func_run_hooks func_options ${1+"$@"}; then
+      func_options_finish_result=$func_run_hooks_result
+      _G_func_options_finish_exit=:
+    fi
+    $_G_func_options_finish_exit
+}
 # func_options [ARG]...
 # ---------------------
 # All the functions called inside func_options are hookable. See the
@@ -1630,17 +1668,28 @@ func_options ()
 {
    $debug_cmd
-    func_options_prep ${1+"$@"}
+    _G_rc_options=false
-    eval func_parse_options \
-        ${func_options_prep_result+"$func_options_prep_result"}
-    eval func_validate_options \
-        ${func_parse_options_result+"$func_parse_options_result"}
-    eval func_run_hooks func_options \
+    for my_func in options_prep parse_options validate_options options_finish
-        ${func_validate_options_result+"$func_validate_options_result"}
+    do
+      if eval func_$my_func '${1+"$@"}'; then
+        eval _G_res_var='$'"func_${my_func}_result"
+        eval set dummy "$_G_res_var" ; shift
+        _G_rc_options=:
+      fi
+    done
+    # Save modified positional parameters for caller.  As a top-level
+    # options-parser function we always need to set the 'func_options_result'
+    # variable (regardless the $_G_rc_options value).
+    if $_G_rc_options; then
+      func_options_result=$_G_res_var
+    else
+      func_quote_for_eval ${1+"$@"}
+      func_options_result=$func_quote_for_eval_result
+    fi
-    # save modified positional parameters for caller
+    $_G_rc_options
-    func_options_result=$func_run_hooks_result
 }
@@ -1649,9 +1698,9 @@ func_options ()
 # All initialisations required before starting the option parse loop.
 # Note that when calling hook functions, we pass through the list of
 # positional parameters.  If a hook function modifies that list, and
-# needs to propogate that back to rest of this script, then the complete
+# needs to propagate that back to rest of this script, then the complete
 # modified list must be put in 'func_run_hooks_result' before
-# returning.
+# returning $EXIT_SUCCESS (otherwise $EXIT_FAILURE is returned).
 func_hookable func_options_prep
 func_options_prep ()
 {
@@ -1661,10 +1710,14 @@ func_options_prep ()
    opt_verbose=false
    opt_warning_types=
-    func_run_hooks func_options_prep ${1+"$@"}
+    _G_rc_options_prep=false
+    if func_run_hooks func_options_prep ${1+"$@"}; then
+      _G_rc_options_prep=:
+      # save modified positional parameters for caller
+      func_options_prep_result=$func_run_hooks_result
+    fi
-    # save modified positional parameters for caller
+    $_G_rc_options_prep
-    func_options_prep_result=$func_run_hooks_result
 }
@@ -1678,18 +1731,20 @@ func_parse_options ()
    func_parse_options_result=
+    _G_rc_parse_options=false
    # this just eases exit handling
    while test $# -gt 0; do
      # Defer to hook functions for initial option parsing, so they
      # get priority in the event of reusing an option name.
-      func_run_hooks func_parse_options ${1+"$@"}
+      if func_run_hooks func_parse_options ${1+"$@"}; then
+        eval set dummy "$func_run_hooks_result"; shift
-      # Adjust func_parse_options positional parameters to match
+        _G_rc_parse_options=:
-      eval set dummy "$func_run_hooks_result"; shift
+      fi
      # Break out of the loop if we already parsed every option.
      test $# -gt 0 || break
+      _G_match_parse_options=:
      _G_opt=$1
      shift
      case $_G_opt in
@@ -1704,7 +1759,10 @@ func_parse_options ()
 		      ;;
        --warnings|--warning|-W)
-                      test $# = 0 && func_missing_arg $_G_opt && break
+                      if test $# = 0 && func_missing_arg $_G_opt; then
+                        _G_rc_parse_options=:
+                        break
+                      fi
                      case " $warning_categories $1" in
                        *" $1 "*)
                          # trailing space prevents matching last $1 above
@@ -1757,15 +1815,25 @@ func_parse_options ()
                      shift
                      ;;
-        --)           break ;;
+        --)           _G_rc_parse_options=: ; break ;;
        -*)           func_fatal_help "unrecognised option: '$_G_opt'" ;;
-        *)            set dummy "$_G_opt" ${1+"$@"}; shift; break ;;
+        *)            set dummy "$_G_opt" ${1+"$@"}; shift
+                      _G_match_parse_options=false
+                      break
+                      ;;
      esac
+      $_G_match_parse_options && _G_rc_parse_options=:
    done
-    # save modified positional parameters for caller
-    func_quote_for_eval ${1+"$@"}
+    if $_G_rc_parse_options; then
-    func_parse_options_result=$func_quote_for_eval_result
+      # save modified positional parameters for caller
+      func_quote_for_eval ${1+"$@"}
+      func_parse_options_result=$func_quote_for_eval_result
+    fi
+    $_G_rc_parse_options
 }
@@ -1778,16 +1846,21 @@ func_validate_options ()
 {
    $debug_cmd
+    _G_rc_validate_options=false
    # Display all warnings if -W was not given.
    test -n "$opt_warning_types" || opt_warning_types=" $warning_categories"
-    func_run_hooks func_validate_options ${1+"$@"}
+    if func_run_hooks func_validate_options ${1+"$@"}; then
+      # save modified positional parameters for caller
+      func_validate_options_result=$func_run_hooks_result
+      _G_rc_validate_options=:
+    fi
    # Bail if the options were screwed!
    $exit_cmd $EXIT_FAILURE
-    # save modified positional parameters for caller
+    $_G_rc_validate_options
-    func_validate_options_result=$func_run_hooks_result
 }
@@ -2068,7 +2141,7 @@ include the following information:
       compiler:       $LTCC
       compiler flags: $LTCFLAGS
       linker:         $LD (gnu? $with_gnu_ld)
-       version:        $progname $scriptversion Debian-2.4.6-2
+       version:        $progname $scriptversion Debian-2.4.6-9
       automake:       `($AUTOMAKE --version) 2>/dev/null |$SED 1q`
       autoconf:       `($AUTOCONF --version) 2>/dev/null |$SED 1q`
@@ -2270,6 +2343,8 @@ libtool_options_prep ()
    nonopt=
    preserve_args=
+    _G_rc_lt_options_prep=:
    # Shorthand for --mode=foo, only valid as the first argument
    case $1 in
    clean|clea|cle|cl)
@@ -2293,11 +2368,18 @@ libtool_options_prep ()
    uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
      shift; set dummy --mode uninstall ${1+"$@"}; shift
      ;;
+    *)
+      _G_rc_lt_options_prep=false
+      ;;
    esac
-    # Pass back the list of options.
+    if $_G_rc_lt_options_prep; then
-    func_quote_for_eval ${1+"$@"}
+      # Pass back the list of options.
-    libtool_options_prep_result=$func_quote_for_eval_result
+      func_quote_for_eval ${1+"$@"}
+      libtool_options_prep_result=$func_quote_for_eval_result
+    fi
+    $_G_rc_lt_options_prep
 }
 func_add_hook func_options_prep libtool_options_prep
@@ -2309,9 +2391,12 @@ libtool_parse_options ()
 {
    $debug_cmd
+    _G_rc_lt_parse_options=false
    # Perform our own loop to consume as many options as possible in
    # each iteration.
    while test $# -gt 0; do
+      _G_match_lt_parse_options=:
      _G_opt=$1
      shift
      case $_G_opt in
@@ -2386,15 +2471,22 @@ libtool_parse_options ()
                        func_append preserve_args " $_G_opt"
                        ;;
-	# An option not handled by this hook function:
+        # An option not handled by this hook function:
-        *)		set dummy "$_G_opt" ${1+"$@"};	shift; break  ;;
+        *)              set dummy "$_G_opt" ${1+"$@"} ; shift
+                        _G_match_lt_parse_options=false
+                        break
+                        ;;
      esac
+      $_G_match_lt_parse_options && _G_rc_lt_parse_options=:
    done
+    if $_G_rc_lt_parse_options; then
+      # save modified positional parameters for caller
+      func_quote_for_eval ${1+"$@"}
+      libtool_parse_options_result=$func_quote_for_eval_result
+    fi
-    # save modified positional parameters for caller
+    $_G_rc_lt_parse_options
-    func_quote_for_eval ${1+"$@"}
-    libtool_parse_options_result=$func_quote_for_eval_result
 }
 func_add_hook func_parse_options libtool_parse_options
@@ -7275,10 +7367,11 @@ func_mode_link ()
      # -specs=*             GCC specs files
      # -stdlib=*            select c++ std lib with clang
      # -fsanitize=*         Clang/GCC memory and address sanitizer
+      # -fuse-ld=*           Linker select flags for GCC
      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
-      -specs=*|-fsanitize=*)
+      -specs=*|-fsanitize=*|-fuse-ld=*)
        func_quote_for_eval "$arg"
 	arg=$func_quote_for_eval_result
        func_append compile_command " $arg"

--- a/build-aux/missing
+++ b/build-aux/missing
 #! /bin/sh
 # Common wrapper for a few potentially missing GNU programs.
-scriptversion=2013-10-28.13; # UTC
+scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 # This program is free software; you can redistribute it and/or modify
@@ -17,7 +17,7 @@ scriptversion=2013-10-28.13; # UTC
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@@ -101,9 +101,9 @@ else
  exit $st
 fi
-perl_URL=http://www.perl.org/
+perl_URL=https://www.perl.org/
-flex_URL=http://flex.sourceforge.net/
+flex_URL=https://github.com/westes/flex
-gnu_software_URL=http://www.gnu.org/software
+gnu_software_URL=https://www.gnu.org/software
 program_details ()
 {
@@ -207,9 +207,9 @@ give_advice "$1" | sed -e '1s/^/WARNING: /' \
 exit $st
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/configure
+++ b/configure
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for iptables 1.8.4.
+# Generated by GNU Autoconf 2.69 for iptables 1.8.5.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -587,8 +587,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='iptables'
 PACKAGE_TARNAME='iptables'
-PACKAGE_VERSION='1.8.4'
+PACKAGE_VERSION='1.8.5'
-PACKAGE_STRING='iptables 1.8.4'
+PACKAGE_STRING='iptables 1.8.5'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
@@ -729,7 +729,6 @@ am__nodep
 AMDEPBACKSLASH
 AMDEP_FALSE
 AMDEP_TRUE
-am__quote
 am__include
 DEPDIR
 OBJEXT
@@ -804,7 +803,8 @@ PACKAGE_VERSION
 PACKAGE_TARNAME
 PACKAGE_NAME
 PATH_SEPARATOR
-SHELL'
+SHELL
+am__quote'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
@@ -1405,7 +1405,7 @@ if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
-\`configure' configures iptables 1.8.4 to adapt to many kinds of systems.
+\`configure' configures iptables 1.8.5 to adapt to many kinds of systems.
 Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -1476,7 +1476,7 @@ fi
 if test -n "$ac_init_help"; then
  case $ac_init_help in
-     short | recursive ) echo "Configuration of iptables 1.8.4:";;
+     short | recursive ) echo "Configuration of iptables 1.8.5:";;
   esac
  cat <<\_ACEOF
@@ -1627,7 +1627,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
  cat <<\_ACEOF
-iptables configure 1.8.4
+iptables configure 1.8.5
 generated by GNU Autoconf 2.69
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2175,7 +2175,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
-It was created by iptables $as_me 1.8.4, which was
+It was created by iptables $as_me 1.8.5, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
  $ $0 $@
@@ -2525,8 +2525,8 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 # See libtool.info "Libtool's versioning system"
-libxtables_vcurrent=14
+libxtables_vcurrent=15
-libxtables_vage=2
+libxtables_vage=3
 ac_aux_dir=
 for ac_dir in build-aux "$srcdir"/build-aux; do
@@ -2653,7 +2653,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
-am__api_version='1.15'
+am__api_version='1.16'
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5
 $as_echo_n "checking whether build environment is sane... " >&6; }
@@ -3046,7 +3046,7 @@ fi
 # Define the identity of the package.
 PACKAGE='iptables'
- VERSION='1.8.4'
+ VERSION='1.8.5'
 cat >>confdefs.h <<_ACEOF
@@ -3076,8 +3076,8 @@ MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
 # For better backward compatibility.  To be removed once Automake 1.9.x
 # dies out for good.  For more background, see:
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 mkdir_p='$(MKDIR_P)'
 # We need awk for the "check" target (and possibly the TAP driver).  The
@@ -3128,7 +3128,7 @@ END
 Aborting the configuration process, to ensure you take notice of the issue.
 You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <http://www.gnu.org/software/coreutils/>.
+that behaves properly: <https://www.gnu.org/software/coreutils/>.
 If you want to complete the configuration process using your problematic
 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
@@ -3990,45 +3990,45 @@ DEPDIR="${am__leading_dot}deps"
 ac_config_commands="$ac_config_commands depfiles"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5
-am_make=${MAKE-make}
+$as_echo_n "checking whether ${MAKE-make} supports the include directive... " >&6; }
-cat > confinc << 'END'
+cat > confinc.mk << 'END'
 am__doit:
-	@echo this is the am__doit target
+	@echo this is the am__doit target >confinc.out
 .PHONY: am__doit
 END
-# If we don't find an include directive, just comment out the code.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
-$as_echo_n "checking for style of include used by $am_make... " >&6; }
 am__include="#"
 am__quote=
-_am_result=none
+# BSD make does it like this.
-# First try GNU make style include.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
-echo "include confinc" > confmf
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
-# Ignore all kinds of additional output from 'make'.
+echo 'include confinc.mk # ignored' > confmf.GNU
-case `$am_make -s -f confmf 2> /dev/null` in #(
+_am_result=no
-*the\ am__doit\ target*)
+for s in GNU BSD; do
-  am__include=include
+  { echo "$as_me:$LINENO: ${MAKE-make} -f confmf.$s && cat confinc.out" >&5
-  am__quote=
+   (${MAKE-make} -f confmf.$s && cat confinc.out) >&5 2>&5
-  _am_result=GNU
+   ac_status=$?
-  ;;
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-esac
+   (exit $ac_status); }
-# Now try BSD make style include.
+  case $?:`cat confinc.out 2>/dev/null` in #(
-if test "$am__include" = "#"; then
+  '0:this is the am__doit target') :
-   echo '.include "confinc"' > confmf
+    case $s in #(
-   case `$am_make -s -f confmf 2> /dev/null` in #(
+  BSD) :
-   *the\ am__doit\ target*)
+    am__include='.include' am__quote='"' ;; #(
-     am__include=.include
+  *) :
-     am__quote="\""
+    am__include='include' am__quote='' ;;
-     _am_result=BSD
+esac ;; #(
+  *) :
     ;;
-   esac
+esac
-fi
+  if test "$am__include" != "#"; then
+    _am_result="yes ($s style)"
+    break
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
+  fi
-$as_echo "$_am_result" >&6; }
+done
-rm -f confinc confmf
+rm -f confinc.* confmf.*
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${_am_result}" >&5
+$as_echo "${_am_result}" >&6; }
 # Check whether --enable-dependency-tracking was given.
 if test "${enable_dependency_tracking+set}" = set; then :
@@ -6554,11 +6554,8 @@ _LT_EOF
  test $ac_status = 0; }; then
    # Now try to grab the symbols.
    nlist=conftest.nm
-    if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5
+    $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&5
-  (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5
+    if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&5 && test -s "$nlist"; then
-  ac_status=$?
-  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
-  test $ac_status = 0; } && test -s "$nlist"; then
      # Try sorting and uniquifying the output.
      if sort "$nlist" | uniq > "$nlist"T; then
 	mv -f "$nlist"T "$nlist"
@@ -13059,12 +13056,12 @@ if test -n "$libnftnl_CFLAGS"; then
    pkg_cv_libnftnl_CFLAGS="$libnftnl_CFLAGS"
 elif test -n "$PKG_CONFIG"; then
    if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnftnl >= 1.1.3\""; } >&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnftnl >= 1.1.6\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "libnftnl >= 1.1.3") 2>&5
+  ($PKG_CONFIG --exists --print-errors "libnftnl >= 1.1.6") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; then
-  pkg_cv_libnftnl_CFLAGS=`$PKG_CONFIG --cflags "libnftnl >= 1.1.3" 2>/dev/null`
+  pkg_cv_libnftnl_CFLAGS=`$PKG_CONFIG --cflags "libnftnl >= 1.1.6" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
  pkg_failed=yes
@@ -13076,12 +13073,12 @@ if test -n "$libnftnl_LIBS"; then
    pkg_cv_libnftnl_LIBS="$libnftnl_LIBS"
 elif test -n "$PKG_CONFIG"; then
    if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnftnl >= 1.1.3\""; } >&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnftnl >= 1.1.6\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "libnftnl >= 1.1.3") 2>&5
+  ($PKG_CONFIG --exists --print-errors "libnftnl >= 1.1.6") 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; }; then
-  pkg_cv_libnftnl_LIBS=`$PKG_CONFIG --libs "libnftnl >= 1.1.3" 2>/dev/null`
+  pkg_cv_libnftnl_LIBS=`$PKG_CONFIG --libs "libnftnl >= 1.1.6" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
  pkg_failed=yes
@@ -13102,9 +13099,9 @@ else
        _pkg_short_errors_supported=no
 fi
        if test $_pkg_short_errors_supported = yes; then
-	        libnftnl_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libnftnl >= 1.1.3" 2>&1`
+	        libnftnl_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libnftnl >= 1.1.6" 2>&1`
        else
-	        libnftnl_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libnftnl >= 1.1.3" 2>&1`
+	        libnftnl_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libnftnl >= 1.1.6" 2>&1`
        fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$libnftnl_PKG_ERRORS" >&5
@@ -13880,7 +13877,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by iptables $as_me 1.8.4, which was
+This file was extended by iptables $as_me 1.8.5, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
  CONFIG_FILES    = $CONFIG_FILES
@@ -13946,7 +13943,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-iptables config.status 1.8.4
+iptables config.status 1.8.5
 configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"
@@ -14065,7 +14062,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 #
 # INIT-COMMANDS
 #
-AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"
 # The HP-UX ksh and POSIX shell print the target directory to stdout
@@ -14983,29 +14980,35 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
  # Older Autoconf quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
-  case $CONFIG_FILES in
+  # TODO: see whether this extra hack can be removed once we start
-  *\'*) eval set x "$CONFIG_FILES" ;;
+  # requiring Autoconf 2.70 or later.
-  *)   set x $CONFIG_FILES ;;
+  case $CONFIG_FILES in #(
-  esac
+  *\'*) :
+    eval set x "$CONFIG_FILES" ;; #(
+  *) :
+    set x $CONFIG_FILES ;; #(
+  *) :
+     ;;
+esac
  shift
-  for mf
+  # Used to flag and report bootstrapping failures.
+  am_rc=0
+  for am_mf
  do
    # Strip MF so we end up with the name of the file.
-    mf=`echo "$mf" | sed -e 's/:.*$//'`
+    am_mf=`$as_echo "$am_mf" | sed -e 's/:.*$//'`
-    # Check whether this is an Automake generated Makefile or not.
+    # Check whether this is an Automake generated Makefile which includes
-    # We used to match only the files named 'Makefile.in', but
+    # dependency-tracking related rules and includes.
-    # some people rename them; so instead we look at the file content.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
-    # Grep'ing the first line is not enough: some people post-process
-    # each Makefile.in and add a new line on top of each file to say so.
-    # Grep'ing the whole file is not good either: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
-    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
-      dirpart=`$as_dirname -- "$mf" ||
+      || continue
-$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+    am_dirpart=`$as_dirname -- "$am_mf" ||
-	 X"$mf" : 'X\(//\)[^/]' \| \
+$as_expr X"$am_mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$mf" : 'X\(//\)$' \| \
+	 X"$am_mf" : 'X\(//\)[^/]' \| \
-	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
+	 X"$am_mf" : 'X\(//\)$' \| \
-$as_echo X"$mf" |
+	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$am_mf" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -15023,53 +15026,48 @@ $as_echo X"$mf" |
 	    q
 	  }
 	  s/.*/./; q'`
-    else
+    am_filepart=`$as_basename -- "$am_mf" ||
-      continue
+$as_expr X/"$am_mf" : '.*/\([^/][^/]*\)/*$' \| \
-    fi
+	 X"$am_mf" : 'X\(//\)$' \| \
-    # Extract the definition of DEPDIR, am__include, and am__quote
+	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
-    # from the Makefile without running 'make'.
+$as_echo X/"$am_mf" |
-    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
-    test -z "$DEPDIR" && continue
-    am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "$am__include" && continue
-    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
-    # Find all dependency output files, they are included files with
-    # $(DEPDIR) in their names.  We invoke sed twice because it is the
-    # simplest approach to changing $(DEPDIR) to its actual value in the
-    # expansion.
-    for file in `sed -n "
-      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
-	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
-      # Make sure the directory exists.
-      test -f "$dirpart/$file" && continue
-      fdir=`$as_dirname -- "$file" ||
-$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$file" : 'X\(//\)[^/]' \| \
-	 X"$file" : 'X\(//\)$' \| \
-	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
 	    s//\1/
 	    q
 	  }
-	  /^X\(\/\/\)$/{
+	  /^X\/\(\/\/\)$/{
 	    s//\1/
 	    q
 	  }
-	  /^X\(\/\).*/{
+	  /^X\/\(\/\).*/{
 	    s//\1/
 	    q
 	  }
 	  s/.*/./; q'`
-      as_dir=$dirpart/$fdir; as_fn_mkdir_p
+    { echo "$as_me:$LINENO: cd "$am_dirpart" \
-      # echo "creating $dirpart/$file"
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
-      echo '# dummy' > "$dirpart/$file"
+        | $MAKE -f - am--depfiles" >&5
-    done
+   (cd "$am_dirpart" \
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
+        | $MAKE -f - am--depfiles) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } || am_rc=$?
  done
+  if test $am_rc -ne 0; then
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "Something went wrong bootstrapping makefile fragments
+    for automatic dependency tracking.  Try re-running configure with the
+    '--disable-dependency-tracking' option to at least be able to build
+    the package (albeit without support for automatic dependency tracking).
+See \`config.log' for more details" "$LINENO" 5; }
+  fi
+  { am_dirpart=; unset am_dirpart;}
+  { am_filepart=; unset am_filepart;}
+  { am_mf=; unset am_mf;}
+  { am_rc=; unset am_rc;}
+  rm -f conftest-deps.mk
 }
 ;;
    "libtool":C)

--- a/configure.ac
+++ b/configure.ac
-AC_INIT([iptables], [1.8.4])
+AC_INIT([iptables], [1.8.5])
 # See libtool.info "Libtool's versioning system"
-libxtables_vcurrent=14
+libxtables_vcurrent=15
-libxtables_vage=2
+libxtables_vage=3
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_HEADERS([config.h])
@@ -131,7 +131,7 @@ if test "x$enable_nftables" = "xyes"; then
 		exit 1
 	fi
-	PKG_CHECK_MODULES([libnftnl], [libnftnl >= 1.1.3], [nftables=1], [nftables=0])
+	PKG_CHECK_MODULES([libnftnl], [libnftnl >= 1.1.6], [nftables=1], [nftables=0])
 	if test "$nftables" = 0;
 	then

--- a/extensions/generic.txlate
+++ b/extensions/generic.txlate
@@ -18,3 +18,19 @@ nft add rule bridge filter FORWARD iifname != "iname" meta ibrname "ilogname" oi
 ebtables-translate -I INPUT -p ip -d 1:2:3:4:5:6/ff:ff:ff:ff:00:00
 nft insert rule bridge filter INPUT ether type 0x800 ether daddr 01:02:03:04:00:00 and ff:ff:ff:ff:00:00 == 01:02:03:04:00:00 counter
+# asterisk is not special in iptables and it is even a valid interface name
+iptables-translate -A FORWARD -i '*' -o 'eth*foo'
+nft add rule ip filter FORWARD iifname "\*" oifname "eth\*foo" counter
+# escape all asterisks but translate only the first plus character
+iptables-translate -A FORWARD -i 'eth*foo*+' -o 'eth++'
+nft add rule ip filter FORWARD iifname "eth\*foo\**" oifname "eth+*" counter
+# skip for always matching interface names
+iptables-translate -A FORWARD -i '+'
+nft add rule ip filter FORWARD counter
+# match against invalid interface name to simulate never matching rule
+iptables-translate -A FORWARD ! -i '+'
+nft add rule ip filter FORWARD iifname "INVAL/D" counter
--- a/extensions/libebt_among.c
+++ b/extensions/libebt_among.c
@@ -6,6 +6,7 @@
 * August, 2003
 */
+#include <errno.h>
 #include <ctype.h>
 #include <fcntl.h>
 #include <getopt.h>
@@ -62,10 +63,6 @@ parse_nft_among_pair(char *buf, struct nft_among_pair *pair, bool have_ip)
 	char *sep = index(buf, '=');
 	struct ether_addr *ether;
-	if (have_ip ^ !!sep)
-		xtables_error(PARAMETER_PROBLEM,
-			      "among: Mixed MAC and MAC=IP not allowed.");
 	if (sep) {
 		*sep = '\0';
@@ -137,7 +134,10 @@ static int bramong_parse(int c, char **argv, int invert,
 		if ((fd = open(optarg, O_RDONLY)) == -1)
 			xtables_error(PARAMETER_PROBLEM,
 				      "Couldn't open file '%s'", optarg);
-		fstat(fd, &stats);
+		if (fstat(fd, &stats) < 0)
+			xtables_error(PARAMETER_PROBLEM,
+				      "fstat(%s) failed: '%s'",
+				      optarg, strerror(errno));
 		flen = stats.st_size;
 		/* use mmap because the file will probably be big */
 		optarg = mmap(0, flen, PROT_READ | PROT_WRITE,
@@ -201,7 +201,7 @@ static void __bramong_print(struct nft_among_pair *pairs,
 		isep = ",";
 		printf("%s", ether_ntoa(&pairs[i].ether));
-		if (have_ip)
+		if (pairs[i].in.s_addr != INADDR_ANY)
 			printf("=%s", inet_ntoa(pairs[i].in));
 	}
 	printf(" ");

--- a/extensions/libebt_among.t
+++ b/extensions/libebt_among.t
@@ -13,4 +13,4 @@
 --among-src;=;FAIL
 --among-src 00:11=10.0.0.1;=;FAIL
 --among-src de:ad:0:be:ee:ff=10.256.0.1;=;FAIL
--among-src de:ad:0:be:ee:ff,c0:ff:ee:0:ba:be=192.168.1.1;=;FAIL
+--among-src c0:ff:ee:0:ba:be=192.168.1.1,de:ad:0:be:ee:ff;=;OK
--- a/extensions/libip6t_DNPT.man
+++ b/extensions/libip6t_DNPT.man
@@ -23,7 +23,7 @@ ip6tables \-t mangle \-I PREROUTING \-i wlan0 \-d 2001:e20:2000:40f::/64
 .PP
 You may need to enable IPv6 neighbor proxy:
 .IP
-sysctl -w net.ipv6.conf.all.proxy_ndp=1
+sysctl \-w net.ipv6.conf.all.proxy_ndp=1
 .PP
 You also have to use the
 .B NOTRACK

--- a/extensions/libip6t_SNPT.man
+++ b/extensions/libip6t_SNPT.man
@@ -23,7 +23,7 @@ ip6tables \-t mangle \-I PREROUTING \-i wlan0 \-d 2001:e20:2000:40f::/64
 .PP
 You may need to enable IPv6 neighbor proxy:
 .IP
-sysctl -w net.ipv6.conf.all.proxy_ndp=1
+sysctl \-w net.ipv6.conf.all.proxy_ndp=1
 .PP
 You also have to use the
 .B NOTRACK

--- a/extensions/libip6t_srh.t
+++ b/extensions/libip6t_srh.t
@@ -23,6 +23,6 @@
 -m srh ! --srh-tag 0;=;OK
 -m srh --srh-next-hdr 17 --srh-segs-left-eq 1 --srh-last-entry-eq 4 --srh-tag 0;=;OK
 -m srh ! --srh-next-hdr 17 ! --srh-segs-left-eq 0 --srh-tag 0;=;OK
-m srh --srh-psid A::/64 --srh-nsid B:: --srh-lsid C::/0;;OK
+-m srh --srh-psid a::/64 --srh-nsid b::/128 --srh-lsid c::/0;=;OK
-m srh ! --srh-psid A::/64 ! --srh-nsid B:: ! --srh-lsid C::/0;;OK
+-m srh ! --srh-psid a::/64 ! --srh-nsid b::/128 ! --srh-lsid c::/0;=;OK
 -m srh;=;OK
--- a/extensions/libipt_CLUSTERIP.man
+++ b/extensions/libipt_CLUSTERIP.man
@@ -2,6 +2,9 @@ This module allows you to configure a simple cluster of nodes that share
 a certain IP and MAC address without an explicit load balancer in front of
 them.  Connections are statically distributed between the nodes in this
 cluster.
+.PP
+Please note that CLUSTERIP target is considered deprecated in favour of cluster
+match which is more flexible and not limited to IPv4.
 .TP
 \fB\-\-new\fP
 Create a new ClusterIP.  You always have to set this on the first rule